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Machine Screw


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Item Specifics

Federal Supply Class (FSC)
National Item ID Number (NIIN)
Thread Class
Thread Direction
Right-hand AAJF
Thread Length
0.339 inches minimum and 0.375 inches maximum AASA
Fastener Length
0.375 inches AASB
Head Style
Fillister AASK
Head Diameter
0.124 inches minimum and 0.140 inches maximum AASL
Head Height
0.055 inches minimum and 0.062 inches maximum AASU
Hole Diameter
0.031 inches AAUB
Internal Drive Style
Nominal Thread Diameter
0.086 inches AHYM
Hole Quantity
Thread Quantity Per Inch
Minimum Tensile Strength
80000 pounds per square inch CQBC
Screw Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 CYAU
Screw Material Document And Classification
66 fed std all material responses CYAW
Screw Surface Treatment
Passivate CYBA
Screw Surface Treatment Document And Classification
Qq-p-35 fed spec single treatment response CYBE
Head Hole Configuration Style
Round CYBG
Thread Series Designator

Item Identification | Screws

5305-00-945-0502, An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
5305 Mar 04, 1966 009450502 06657 (Screw, Machine)

End Item Applications NSN 5305-00-945-0502 end item applications/platforms

  • Electro-mechanical Actuator Rotary  
  • Power Supply Adapter  
  • Airlifter C-17a Aircraft   (EIC DTF)
  • C-2a (reprocured) Aircraft   (EIC BPN)
  • Sof ( Ac-130h Aircraft Mc-130h   (EIC ATF)
  • Radio Frequency Amplifier  
  • Amplifier-power Supply  
  • Antenna Control Subassembly  
  • Low B Antenna Group  
  • Backplane Assembly  
  • Motion Picture Camera  
  • Battery Charger  
  • Electrical-electronic Equipment Chassis  
  • Electrical Equipment Chassis  
  • Circuit Card Assembly  
  • Computer Subassembly  
  • Antenna Control  
  • Transmitter Control Radio  
  • Control-monitor  
  • Test Control Panel  
  • Distribution Box  
  • Electronic Componen  
  • Electronic Components Assembly  
  • Aircraft Engine F100-pw-100 (f-15a/b/c/d)   (EIC BTF)
  • Aircraft Engine F100-pw-200 (f-16a/b/c/d)   (EIC BUF)
  • Fluid Filter  
  • High Pass Filter  
  • Fire Direction Cent  
  • Displacement Gyroscope  
  • Advance Attack Helicopter Ah-1w   (EIC CPN)
  • Cargo-transport Helicopter  
  • Mh-53e Helicopter   (EIC CFN)
  • Course Indicator  
  • Mach And True Air Speed Indicator  
  • Temperature Indicator Electrical Resistance  
  • Temperature Indicator Thermocouple  
  • Attitude Indicator Subassembly  
  • Mach And True Air Speed Indicator Subassembly  
  • Vertical Velocity Indicator Subassembly  
  • Film Magazine  
  • Air-to-air Missile Sparrow (aim-7)   (EIC BDN)
  • Control Panel Electrical-electronic Equipment  
  • Power Monitor Assem  
  • Power Supply  
  • Power Supply Subassembly  
  • Radar Set  
  • Radar Set Subassembly  
  • Receiver Control  
  • Infrared Sensor  
  • Automatic Pilot Servomotor  
  • Photographic Shutter  
  • B-1 Aircraft Support Equipment   (EIC ACF)
  • Telephone Set  
  • Aircraft Engine Test Set  
  • Electronic Circuit Plug-in Unit Test Set  
  • Solenoid Valve  
  • Valve Assembly  

Item Identification Guide

NSN Reference Drawing

Machine Screws Cross Reference

Part Number CAGE Variation
2-56NC2AX3-8CRES Cage Code 70318 Cross Ref. Part
177004-15 Cage Code 10001 Cross Ref. Part
CAV71-C2-6G Cage Code 11871 Cross Ref. Part
F6-2-6L Cage Code 72314 Cross Ref. Part
MS35275-205 Cage Code 80205 Original Part
2413-027067 Cage Code S4276 Superseded, Discontinued, or Replaced
91047-205 Cage Code 16780 Superseded, Discontinued, or Replaced
16404 Cage Code 73734 Superseded, Discontinued, or Replaced
946170-206 Cage Code 06481 Superseded, Discontinued, or Replaced
16404ADX Cage Code 1VN02 Superseded, Discontinued, or Replaced
515-2-6-SS Cage Code 18196 Superseded, Discontinued, or Replaced
MS35275-205 Cage Code 96906 Superseded, Discontinued, or Replaced
946170-206 Cage Code 13973 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 713 Metal hardware
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
7318152000 Bolts and bolts and their nuts or washers exported in the same shipment 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
WP Poland WP
YA Brazil YA
YB Spain YB
YJ Singapore YJ
YW Malaysia YW
ZA Australia ZA
ZC Canada ZC
ZE New Zealand ZE
ZG Germany ZG
ZH Korea, Republic Of ZH
ZK United Kingdom ZK
ZN Netherlands ZN
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 Army 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 A Item does not contain precious metal.
Criticality Code X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Repairability Z This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Management Rec. / Rep. Code: Special program consumables

 CTL: T2200X-

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 2 – Non-critical repair part. repair parts or major components whose failure in an end item will not render the end item inoperati
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 9 – Non-hazardous or non-sensitive item, does not require hazardous or special handling, packaging or precautions

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.