PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A227Washer,flat

Am General Llc · NSN 5310-00-281-8322 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-281-8322 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-281-8322. Primary manufacturer part number: A227.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.641 INCHES NOMINAL IN
  • Thickness: 0.156 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1012 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-281-8322, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Am General Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-281-8322
Primary Part NumberA227
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.250 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.641 INCHES NOMINAL IN
Thickness0.156 INCHES NOMINAL IN
Peripheral Shape StyleROUND
MaterialSTEEL COMP 1012 OVERALL
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-155-745507100-07204 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5930-00-221-65708865K2 INTERCHANGEABLE
Cover,electrical Switch
Eaton Corp Opns & Technical Center
3040-00-245-0012A2-27 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
5961-00-288-9582A227 INTERCHANGEABLE
Semiconductor Device,diode
Horizon Aerospace Llc Dba Magnetics Division
5950-01-089-0573 INTERCHANGEABLE
Coil,electrical
2810-01-104-2010 INTERCHANGEABLE
Cylinder Assembly
3040-01-303-1268 INTERCHANGEABLE
Shaft,straight
Cross-Reference Index
Part NumberManufacturer
A227 PRIMARY Am General Llc (USA)
351505S Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
7371752 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
641946 PRIMARY Am General Llc (USA)
641916 PRIMARY Am General Llc (USA)
351505S Ford Motor Company (USA)
Related Parts
3110-00-155-7455INTERCHANGEABLE
BEARING,ROLLER,TAPERED
07100-07204
5930-00-221-6570INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
8865K2
3040-00-245-0012INTERCHANGEABLE
SHAFT,STRAIGHT
A2-27
5961-00-288-9582INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A227
5950-01-089-0573INTERCHANGEABLE
COIL,ELECTRICAL
2810-01-104-2010INTERCHANGEABLE
CYLINDER ASSEMBLY
3040-01-303-1268INTERCHANGEABLE
SHAFT,STRAIGHT

Frequently Asked Questions

What is NSN 5310-00-281-8322?

NSN 5310-00-281-8322 is a Washer,flat, manufactured by Am General Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-281-8322?

NSN 5310-00-281-8322 has 6 cross-referenced part numbers: A227 (Am General Llc), 351505S (Ford Motor Co Ford Parts and Service Div Government Part Sales), 7371752 (U S Army Tank Automotive Command Amsta-Im-Mm), 641946 (Am General Llc), 641916 (Am General Llc) and 1 more.

What NSN replaces 5310-00-281-8322?

There are 7 known substitutes for 5310-00-281-8322: 3110-00-155-7455, 5930-00-221-6570, 3040-00-245-0012 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A227?

Key specifications for A227: Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 1.250 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Center Hole Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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