The Washer,flat, cataloged under National Stock Number 5310-00-967-9904, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-967-9904 |
| Primary Part Number | A5982-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Overall Diameter | 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | 417 GRADE RS615 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.145 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 |
| Part Number | Manufacturer |
|---|---|
| A5982-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5310-00-967-9904 is a Washer,flat, manufactured by Grimes Aerospace Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-967-9904 has 1 manufacturer part number on file: A5982-1 (Grimes Aerospace Company).
Key specifications for A5982-1: Overall Diameter: 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: 417 GRADE RS615 MIL STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.