The Washer,flat, cataloged under National Stock Number 5310-01-557-6797, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Denel Vehicle Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161); Denel Vehicle Systems (CAGE SZ177) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-557-6797 |
| Primary Part Number | R2003015 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Denel Vehicle Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| R2003015 | General Dynamics Land Systems Canadacorp (CAN) |
| R2003015 PRIMARY | Denel Vehicle Systems (ZAF) |
| Reference | Meaning |
|---|---|
| BS4320-M8X17-A2D | 5/1 Secondary reference Bsi Standards Limited |
| R2003015-CB00 | D/9 Drawing number reference only Denel Vehicle Systems |
NSN 5310-01-557-6797 is a Washer,flat, manufactured by Denel Vehicle Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-557-6797 has 2 manufacturer part numbers on file: R2003015 (General Dynamics Land Systems Canadacorp), R2003015 (Denel Vehicle Systems).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-557-6800. Verify interchangeability with system specifications before substitution.
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.