PartsTable TECHNICAL DATA SHEET
NSN 5310-00-774-4680Government record, cited

Washer, Flat5310-00-774-4680

NSN 5310-00-774-4680 · NIIN 007744680 · Part number 8891993
General Motors Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 24617
Government record, cited
NSN 5310-00-774-4680 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-774-4680. Manufacturer of record part number: 8891993.
Also searched as  5310-00-774-4680 · 5310007744680 · NIIN 007744680 · 00-774-4680 · FSC 5310 Nuts and Washers · CAGE 24617 · 8891993 · 7744680
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Surface Finish: 50.0 MICROINCHES ALL SURFACES
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Features Provided: CASEHARDENED
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
Identification
  • NSN: 5310-00-774-4680
  • NIIN: 007744680
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 8891993
  • Manufacturer: General Motors Corp
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-774-4680, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-774-4680
Primary Part Number8891993
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGeneral Motors Corp
StatusACTIVE
Surface Finish50.0 MICROINCHES ALL SURFACES
Overall Diameter0.625 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Features ProvidedCASEHARDENED
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN
Thickness0.025 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
8891993 PRIMARY General Motors Corp (USA)
7744680 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-00-774-4680?

NSN 5310-00-774-4680 is a Washer,flat, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-774-4680?

NSN 5310-00-774-4680 has 2 manufacturer part numbers on file: 8891993 (General Motors Corp), 7744680 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 8891993?

Key specifications for 8891993: Surface Finish: 50.0 MICROINCHES ALL SURFACES; Overall Diameter: 0.625 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Features Provided: CASEHARDENED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-774-4680 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com