PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5293974Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-529-3974 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-529-3974 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-529-3974. Primary manufacturer part number: 5293974.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Features Provided: CASEHARDENED
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.666 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
  • Thickness: 0.031 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-529-3974, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-529-3974
Primary Part Number5293974
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Features ProvidedCASEHARDENED
Center Hole Shape StyleROUND
Overall Diameter0.666 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2590-00-401-938171-501-00 INTERCHANGEABLE
Button,horn
Taylor-Dunn Manufacturing, Llc
5330-01-602-532519003-00 INTERCHANGEABLE
Packing,preformed
Scott Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
5293974 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1900300 General Motors Corp Delco Remy Div (USA)
1900300 General Motors Corp Chevrolet-Pontiac-Canada Group (USA)
1900300 General Motors Llc Dba General Motors Llc (USA)
1900300 PRIMARY Borgwarner Pds (anderson), L.l.c. (USA)
1900300 General Motors Corp (USA)
Related Parts
2590-00-401-9381INTERCHANGEABLE
BUTTON,HORN
71-501-00
5330-01-602-5325INTERCHANGEABLE
PACKING,PREFORMED
19003-00

Frequently Asked Questions

What is NSN 5310-00-529-3974?

NSN 5310-00-529-3974 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-529-3974?

NSN 5310-00-529-3974 has 6 cross-referenced part numbers: 5293974 (U S Army Tank Automotive Command Amsta-Im-Mm), 1900300 (General Motors Corp Delco Remy Div), 1900300 (General Motors Corp Chevrolet-Pontiac-Canada Group), 1900300 (General Motors Llc Dba General Motors Llc), 1900300 (Borgwarner Pds (anderson), L.l.c.) and 1 more.

What NSN replaces 5310-00-529-3974?

There are 2 known substitutes for 5310-00-529-3974: 2590-00-401-9381, 5330-01-602-5325. Verify interchangeability with system specifications before substitution.

What are the specifications of 5293974?

Key specifications for 5293974: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL OVERALL; Features Provided: CASEHARDENED. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-529-3974 still in active supply?

NSN 5310-00-529-3974 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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