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Extended Washer Self-locking Nut


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Item Specifics

Federal Supply Class (FSC)
Nuts And Washers
National Item ID Number (NIIN)
Thread Class
Thread Direction
Right-hand AAJF
Locking Feature
Prevailing torque all metal design AAUM
Washer Outside Diameter
0.290 inches maximum AAVX
Overall Height
0.125 inches minimum and 0.188 inches maximum ABKW
Nut Style
Hexagon ACTA
Washer Thickness
0.015 inches minimum ADEM
Width Across Flats
0.213 inches minimum and 0.221 inches maximum ASDB
Temp Rating
550.0 deg fahrenheit AZKQ
Thread Series
Thread Quantity Per Inch
Nominal Thread Size
0.164 inches CQJX
Steel corrosion resisting overall MATT
Surface Treatment
Passivate overall SFTT

Item Identification | Nuts And Washers

5310-00-845-5030, A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. an integral feature is incorporated for locking on the threads of a mating member.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
5310 Jan 01, 1962 008455030 29730 (Locking, Extended Washer Nut, Self)

End Item Applications NSN 5310-00-845-5030 end item applications/platforms

  • Test Set Accessory Kit  
  • Air Conditioner  
  • Eagle F-15 Aircraft   (EIC 19F)
  • Sof ( Ac-130h Aircraft Mc-130h   (EIC ATF)
  • Air Traffic Control  
  • Amplifier-mixer  
  • Amplifier Subassembly  
  • Anc Key Gen Frame  
  • Antenna  
  • Antenna Coupler Group  
  • Antenna Group  
  • Antenna Support Group  
  • Navigational S Base  
  • Shear Bolt  
  • Combi Case Assembly  
  • Communications Central  
  • Message Swi Central  
  • Satellite C Central  
  • An/tyc-39a Central Message Switch   (EIC AYA)
  • Tele Central Office  
  • Telephone Central Office Automatic  
  • Circuit Card Assembly  
  • Close In Weapon System (ciws-phalanx)   (EIC A1N)
  • Extension Switching Center Communications Central  
  • Tandem Switching Center Communications Central  
  • Communication Subsystem  
  • Digital Computer  
  • Computer Subassembl  
  • Digital Computer System  
  • Switching Control Console  
  • Power Supply Control  
  • Control-indicator  
  • Controller Assembly  
  • Control-monitor  
  • Test Control Panel  
  • Signal Data Converter  
  • Air Cooler Electronic Equipment  
  • Core Memory Unit  
  • Electronic Counter Digital Readout  
  • An/slq-32 Countermeasure Set   (EIC AAN)
  • Directional Coupler  
  • Flight Information Display Unit  
  • Distribution Box  
  • Aircraft Door  
  • Bleed Air Duct Assembly  
  • Electrical Transfer  
  • Electronic Components Assembly  
  • Electronic Key Gene  
  • Electronic Rack Ass  
  • Afterburner Fuel Control Turbine Engine  
  • Main Fuel Control Turbine Engine  
  • Fuselage Section  
  • Gas Storage Assembl  
  • Speed Increaser Gear Assembly  
  • Diesel Engine Generator Set  
  • Diesel Engine Generator Set Trailer Mounted  
  • Space Heater  
  • Cargo-transport Helicopter  
  • Housing Assy  
  • Azimuth-elevation-range Indicator  
  • Integrated System Control  
  • Interferometer  
  • Key Distribution Ce  
  • Large Extension Nod  
  • Remote Control Lever  
  • Lg Exten Node Switc  
  • Line Termination Unit  
  • Low V Load Assembly  
  • Load Panel  
  • Maintenance Facilit  
  • Transportable Maintenance Facility  
  • Management Facility  
  • Mast  
  • Microwave Assembly  
  • Advanced Medium Range Air-to-air (amraam)/aim120a Missile   (EIC ADF)
  • Tomahawk Missile   (EIC A4N)
  • Communications Modem  
  • Voltage Deviation Monitor  
  • Electrical Equipment Mounting Base  
  • In Navigational Set  
  • Satellite Signals Navigation Set  
  • Network Management Central  
  • Network Management Tool  
  • Node Center Switch  
  • Operations Group  
  • Oscilloscope  
  • Patching Panel Communication  
  • Power Panel Test Se  
  • Power Distribution-reference Signal Group  
  • Power Supply  
  • Power Supply Subassembly  
  • Communica Processor  
  • Communication Distribution Processor  
  • Signal Data Processor  
  • Application Program Set  
  • Rotary Pump Unit  
  • Purge And Pill Unit  
  • Electrical Equipment Rack  
  • Elect Rack Assembly  
  • Rack Assembly Isola  
  • Radar Set Subassembly  
  • Radiac Set  
  • Radio Access Unit  
  • Radio Set  
  • Line Of Sight Multi-channel Radio Terminal  
  • Radio Terminal Set  
  • Digital Data Receiver-transmitter  
  • Radio Receiver-transmitter  
  • Voltage Regulator  
  • Tube Per Repair Kit  
  • Displacement Rod  
  • Target Roll Section  
  • Fl Scanner Assembly  
  • Infrared Sensor  
  • Nonexpandable Shelter  
  • Signal Processor  
  • Sensor Si Simulator  
  • Small Extension Nod  
  • Sm Exten Node Switc  
  • Sonar Acoustic Miscellaneous   (EIC A3N)
  • Spares Facility  
  • Speech Equipment  
  • Spring Assembly  
  • Countermeas Support  
  • Snap Fastener Support  
  • B-1 Aircraft Support Equipment   (EIC ACF)
  • Switching Group  
  • Commu Switching Set  
  • System Control Ctr  
  • System Control Gp M  
  • System Control Gp T  
  • Management-planning System Control Group  
  • Tactical Electronic  
  • Tape Transport  
  • Telephone Set  
  • Teletypewriter Set  
  • Communicat Terminal  
  • Data Processing Terminal  
  • Display Test Bench  
  • Computer Test Set A  
  • Computer Test Set P  
  • Control Test Set  
  • Electrical Cable Test Set  
  • Electrical Power Test Set  
  • Electronic Systems Test Set  
  • Gyro Stabi Test Set  
  • Inertial Device Test Set  
  • Laser Infr Test Set  
  • Missile Guidance Components Test Set  
  • Modem Test Set  
  • Navigation Test Set  
  • Power Supply Test Set  
  • Radar Test Set  
  • Countermeasures Test Set Group  
  • Test Set Subassembly  
  • Aircraft Components Test Set Subassembly  
  • Electrical And Electronic Test Equipment Test Set Subassembly  
  • Gyro Sta Test Stand  
  • Test Station  
  • Elect Test Station  
  • Electr Test Station  
  • Electrical-electronic Equipment Test Station  
  • Gyro Test Station  
  • Oq-290(v)msm Test Station   (EIC ABA)
  • Test Station Group  
  • Cargo Trailer  
  • Transition Unit Fra  
  • Countermeasures Transmitter  
  • Radar Transmitter  
  • Transmitter Subassembly  
  • Radar Transmitter Subassembly  
  • Cargo Truck  
  • Utility Truck  
  • Truck Tractor  
  • Butterfly Valve  
  • Float Valve Aircraft Fuel Tank  
  • Valve Assembly  
  • Voice Terminal  
  • Vpa Assembly  
  • Waveguide Assembly  

Item Identification Guide

NSN Reference Drawing

Self-locking Nut Extended Washers Cross Reference

Part Number CAGE Variation
NAS1291-C08M Cage Code D9182 Cross Ref. Part
H42L08 Cage Code 15653 Original Part
2578602-4 Cage Code 76301 Superseded, Discontinued, or Replaced
NAS1291C08M Cage Code 75237 Cross Ref. Part
114-0231-004 Cage Code 94756 Cross Ref. Part
RMLH3858-82 Cage Code 019L2 Cross Ref. Part
H42L08 Cage Code 03350 Original Part
NAS1291C08M Cage Code 80205 Original Part
74443146004 Cage Code 89944 Superseded, Discontinued, or Replaced
P32332 Cage Code F0754 Superseded, Discontinued, or Replaced
P32332 Cage Code U1604 Superseded, Discontinued, or Replaced
H42L08 Cage Code F7652 Superseded, Discontinued, or Replaced
P32332 Cage Code D1131 Superseded, Discontinued, or Replaced
947532-308 Cage Code 06481 Superseded, Discontinued, or Replaced
H42L08 Cage Code 75237 Superseded, Discontinued, or Replaced
NAS1291A08M Cage Code 80205 Superseded, Discontinued, or Replaced
AFG0705993 Cage Code D1131 Superseded, Discontinued, or Replaced
NAS1291C08M Cage Code 8K112 Superseded, Discontinued, or Replaced
H42L08 Cage Code R1120 Superseded, Discontinued, or Replaced
RMLH3858-82 Cage Code 72962 Superseded, Discontinued, or Replaced
5310008455030 Cage Code SCY13 Superseded, Discontinued, or Replaced
457-5587 Cage Code A486G For Reference Only
H42L08 Cage Code FB009 Cross Ref. Part
P900633 Cage Code U7387 Superseded, Discontinued, or Replaced

National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Code Description Code Value Meaning
NMF Description NMFC 093486 Bolts, Nuts Or Screws, Noi (sub 3)
Universal Freight Code UFC 48950
Less than a truck load rating LTL W Rating variable
Water Commodity WCC 573 Bolts or nuts (iron or steel),(less than 35 feet)
Type of Cargo TCC Z No special type of cargo code applicable
Special Handling SHC 9 Other or no special handling required (sh)
Air Dimension Code ADC A Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity ACC B Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling ASH Array No special handling required.

Trade Control Compliance Schedule B Export Code: A ten position numeric code that identifies an item exported overseas. this unique identification code is assigned by the U.S. Census Bureau.

Schedule B Sch. B Description Demilitarization Classification ITAR Regulation
7318160000 Nuts of iron or steel Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9). Unclassified Not ITAR Controlled

MOE / End Users Represents the subdivisions of a US governmental organization or an agency of the North Atlantic Treaty Organization (NATO), and other friendly governments and international organizations participating in the federal catalog program.

Country / Entity Name MOE
WB Austria WB
WP Poland WP
YA Brazil YA
YB Spain YB
YJ Singapore YJ
YW Malaysia YW
ZA Australia ZA
ZB Belgium ZB
ZC Canada ZC
ZD South Africa ZD
ZE New Zealand ZE
ZF France ZF
ZG Germany ZG
ZH Korea, Republic Of ZH
ZK United Kingdom ZK
ZN Netherlands ZN
ZP Portugal ZP
ZR Italy ZR
ZS Denmark ZS
ZT Norway ZT
ZU Greece ZU
ZW Turkey ZW
ZX Namsa (user) ZX
ZZ United States ZZ
ZZ Department Of The Navy ZZ
No MOE rules found for this NSN.

Material & Special Handling Item material and handling information

Code Description Value Meaning
HMIRS N Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals Indicator U Precious metal content is unknown
Criticality Code F The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

Management Rec. / Rep. Code: Special program consumables

 CTL: 9B-----

Air Force

Fund SF – Stock fund applicable to items managed for the air force by the respective inventory control point.
Budget 9 – Air force decentrally managed
Material Management SX – Brac mmac for oc-alc
Price Validation V – The current standard price has been validated. - the item has been analyzed in conjunction with the zero overpricing program and is in the accepted price range. -the item was procured under open competition and under the competitive arena the price is considered fair and reasonable. -zop or standard price challenges are permissible but must be supported by adequate justification.

Air Force Management Code Definition

Fund A two position code that classifies an item into categories in terms of funding and budgeting.
Budget Identifies investment items to budget programs from which item is funded.
Material Management Identifies an item of supply to be managed by a specific activity manager.
Price Validation Indicates validity of the recorded unit price.


Stores Account 1 – Marine corps stock fund account item.
Combat Essentiality 5 – Critical repair part to a combat essential end item. those parts or components whose failure in a combat essential end item wi
Management Echelon B – All commodities
Material Identification K – Reserved
Operational Test 0 – Items of supply which when properly packaged and placed in storage, do not require the performance of special procedures while in storage, nor prior to issue, and for which it has been determined that existing care in stores quality control procedures ar
Physical Category

Marines Code Definition

Stores Account (SAC) Indicates the type of funds employed within the marine corps in supply support operations.
Combat Essentiality (CEC) Establishes if an item is essential to the operational readiness of a weapon system or the conduct of a military mission, or that a functional part contributes to the tactical and essential operations of an item component or assembly, and its failure would render the item inoperable or incapable of fulfilling its mission.
Management Echelon (MEC) Classifies items into categories by material and procurement echelon.
Material Identification (MIC) Identifies method of accounting, degree, and type of control to be maintained for the item and to identify material by specific purpose, type, or classification for the war reserve system.
Operational test (OTC) Indicates special procedures must be performed on an item of supply while under care-in-stores or as a part of the issue process.
Physical Category (PCC) Indicates category for picking, packing, and marking items for shipment.


Cognizance 9B – Naval inventory control point, mechanicsburg
Special Material
Requisition Restriction
Special Material Content

Navy Management Code Definition

Cognizance (COG) Identifies the inventory manager (IM) and inventory control point (ICP).
Special Material (SMIC) Categorizes material on the basis of requirements for source or quality control, technical design, or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling
Req. Restriction (IRRC) Item requisition instructions.
Special Material (SMCC) Indicated that an item represents or contains peculiar material requiring special treatment, precautions, or management.


Accounting Requirements X – Expendable item. an item of army property coded with an arc of ``x'' in the amdf. expendable items require no formal accountability after issue from a stock record account. commercial and fabricated items similar to items coded ``x'' in the amdf are considered expendable items.
Material Category 1 T – Industrial supplies (dla/gsa items)
Material Category 2 2 – Stock fund secondary items
Material Category 3 2 – Nonreparable items (exclusive of insurance and provisioning items). this code will be used to identify items which are not reparable.
Material Category 4 & 5 00 – Dla/gsa-managed items that cannot be identified to a specific army weapons systems/end item

Army Management Code Definition

Accounting Requirements Accounting Requirements Code (ARC): a one position alpha code that indicates the accountability of an item of supply.
Material Category 1 Material category and inventory manager.
Material Category 2 Appropriation and budget activity account.
Material Category 3 Management inventory segment.
Material Category 4 & 5 Specific group / generic category.