The Washer,flat, cataloged under National Stock Number 5310-00-752-7737, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Walworth Company. 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. 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 | 5310-00-752-7737 |
| Primary Part Number | 8288-15-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Overall Diameter | 1.406 INCHES NOMINAL IN |
| Hardness Rating | 83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Minimum Tensile Strength | 11100 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.656 INCHES NOMINAL 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 5310-00-752-7737 is a Washer,flat, manufactured by The Walworth Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-752-7737 has 2 manufacturer part numbers on file: D8288-15 (The Walworth Company), 8288-15-1 (The Walworth Company).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-119-7441. Verify interchangeability with system specifications before substitution.
Key specifications for 8288-15-1: Overall Diameter: 1.406 INCHES NOMINAL IN; Hardness Rating: 83.0 ROCKWELL M MINIMUM AND 116.0 ROCKWELL M MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Minimum Tensile Strength: 11100 POUNDS PER SQUARE INCH LBS. 9 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.