The Washer,flat, cataloged under National Stock Number 5310-00-752-6289, 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. 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 | 5310-00-752-6289 |
| Primary Part Number | 7526289 |
| 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 | 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Minimum Tensile Strength | 6000 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | PAPER AND WOOL OR PAPER AND COTTON OR PAPER AND CELLULOSE OR PAPER AND GLASS OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Thickness | 0.062 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 |
NSN 5310-00-752-6289 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 5310-00-752-6289 has 2 manufacturer part numbers on file: 7526289 (U S Army Tank Automotive Command Amsta-Im-Mm), 814903 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-134-0576. Verify interchangeability with system specifications before substitution.
Key specifications for 7526289: Overall Diameter: 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Minimum Tensile Strength: 6000 POUNDS PER SQUARE INCH LBS; 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.