The Washer,flat, cataloged under National Stock Number 5310-00-995-9678, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-995-9678 |
| Primary Part Number | 10910174-43 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 0.880 INCHES NOMINAL IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.531 INCHES NOMINAL IN |
| Thickness | 0.134 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10910174-43 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5131755 | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 10910174 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 5310009959678 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5131755 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5310PL0943023 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5131755 | 5/9 Secondary reference General Motors Corp |
| PC5131755 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 5310-00-995-9678 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-995-9678 has 2 manufacturer part numbers on file: 10910174-43 (U S Army Tank Automotive Command Amsta-Im-Mm), 5131755 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-113-1160. Verify interchangeability with system specifications before substitution.
Key specifications for 10910174-43: Overall Diameter: 0.880 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.