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Hexagon Slotted Plain 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
Nut Style
Slotted, hexagon ACTA
Nut Height
0.203 inches minimum and 0.234 inches maximum ADEA
Width Across Flats
0.553 inches minimum and 0.565 inches maximum ASDB
Thread Series
Thread Quantity Per Inch
Nominal Thread Size
0.375 inches CQJX
Bearing Surface Type
Chamfered or washer faced CRTM
Bearing Surface Finish
125.0 microinches CSXL
Steel overall MATT
Surface Treatment
Cadmium overall and chromate overall SFTT
Surface Treatment Document And Classification
Qq-p-416,ty 2,cl 3 fed spec single treatment response overall STDC

Item Identification | Nuts And Washers

5310-00-176-8110, A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. it is designed to provide positive locking when used with a solid or split (cotter) pin. excludes nut (1), plain, castellated, hexagon.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
5310 Jan 01, 1963 001768110 01859 (Nut, Plain, Slotted, Hexagon)

End Item Applications NSN 5310-00-176-8110 end item applications/platforms

  • Electro-mechanical Actuator Linear  
  • C-2a (reprocured) Aircraft   (EIC BPN)
  • Sof ( Ac-130h Aircraft Mc-130h   (EIC ATF)
  • Antenna  
  • Antenna Control Subassembly  
  • Air Refue Boom Assy  
  • Movable Canopy  
  • Carriage Assembly  
  • F Carriage Assembly  
  • O Carriage Assembly  
  • Ch 47 (rotary Wing Aircraft)   (EIC ABK)
  • C Coordinating Unit  
  • Door Assembly Cowl  
  • Cowling  
  • Crosswind Steering  
  • Drag Strut Cylinder  
  • Landing Gear Cylinder And Piston Assembly  
  • Actuating Cylinder Assembly Linear  
  • Reaction Cylinder Assembly  
  • Shimmy Damper  
  • Access Door Aircraft  
  • Aircraft Door  
  • Landing Gear Drag Brace  
  • Aircraft Engine T56-a-7/15 (c-130b/e/h/n/p)   (EIC BHF)
  • Aircraft Engine Tf-33-p-7 (c-141a/b)   (EIC BQF)
  • Aircraft Engine Tf34-ge-100 (a-10)   (EIC BEF)
  • Aircraft Tf33-p-3/5/9 (c/ec-135 Engine B-52h)   (EIC AYF)
  • Aircraft Tf33-pw-102 (c-135e Engine Ec-135h/k/p)   (EIC AXF)
  • Centrifugal Fan  
  • Wing Landing Flap  
  • Former Assy  
  • Aircraft Gearbox Assembly  
  • Steering Gearbox Assembly  
  • Rotary Rudder Head  
  • Attack Helicopter  
  • Cargo-transport Helicopter  
  • Observation Helicopter  
  • Cargo Hook  
  • Hoist Hook  
  • Retractable Landing Gear  
  • Mixer Assembly  
  • Resilient Mount General Purpose  
  • Con Overtravel Unit  
  • Structural Plate Aircraft  
  • Aft Ramp Assembly Aircraft  
  • Flight Refueling Probe Receptacle Assembly  
  • Air Pressure Regulator Aircraft Cabin  
  • Tension Regulator Cable  
  • Aircraft Seat  
  • Servocylinder  
  • Hydraulic Servocylinder Assembly  
  • Hydraulic Servovalve  
  • Aircraft Slat  
  • Vertical Stabilizer  
  • Engine Starter Electrical  
  • Retractable Step Assembly Aircraft  
  • Aircraft Strut  
  • Structural Component Support Aircraft  
  • B-1 Aircraft Support Equipment   (EIC ACF)
  • Fuel Tank Aircraft  
  • Aircraft Components Test Set Subassembly  
  • Aircraft Trailing Edge  
  • B-1b Aircraft Trainer   (EIC AUF)
  • Landing Systems Trunnion Strut  
  • Steer Unit Assembly  
  • Linear Valve Directional Control  
  • Pressure Valve Reli  
  • Aircraft Mounted Winch  
  • Outer Wing Section  

Item Identification Guide

NSN Reference Drawing

Plain Nut Slotteds Cross Reference

Part Number CAGE Variation
MILN6034 Cage Code 81349 Non-Difinitive Specification
175S12 Cage Code 06848 Cross Ref. Part
70510 Cage Code 99551 Original Part
72-5850-737 Cage Code 50024 Original Part
A3009-7PC7 Cage Code 50024 Original Part
81417S41-552PC7 Cage Code 80064 Original Part
7538986 Cage Code 19207 Superseded, Discontinued, or Replaced
LM207-31 Cage Code 76005 Superseded, Discontinued, or Replaced
AN320-6 Cage Code 80205 Original Part
2210310 Cage Code 001JK Superseded, Discontinued, or Replaced
F52SC320-624 Cage Code 27687 Superseded, Discontinued, or Replaced
12Z521PC21 Cage Code 10001 Superseded, Discontinued, or Replaced
Z43N3089-360 Cage Code 94135 Superseded, Discontinued, or Replaced
A63-45-6 Cage Code 74080 Superseded, Discontinued, or Replaced
23X32 Cage Code 70188 Superseded, Discontinued, or Replaced
0515 Cage Code 75547 Superseded, Discontinued, or Replaced
AN320-6 Cage Code 88044 Superseded, Discontinued, or Replaced
2210310 Cage Code S4956 Superseded, Discontinued, or Replaced
70510 Cage Code 19315 Superseded, Discontinued, or Replaced
287-54 Cage Code 99167 Superseded, Discontinued, or Replaced
F52S320-624 Cage Code 27687 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
ZP Portugal ZP
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
Operational Test
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 BK – Ch-47

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.