The Washer,flat, cataloged under National Stock Number 5310-01-694-2503, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Regal Rexnord Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Regal Rexnord Corporation (CAGE 4UU43) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-694-2503 |
| Primary Part Number | A-7656-22RC |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Regal Rexnord Corporation |
| 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 |
|---|---|
| A-7656-22RC PRIMARY | Regal Rexnord Corporation (USA) |
| Reference | Meaning |
|---|---|
| A-7656 | D/9 Drawing number reference only Regal Rexnord Corporation |
NSN 5310-01-694-2503 is a Washer,flat, manufactured by Regal Rexnord Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-694-2503 has 1 manufacturer part number on file: A-7656-22RC (Regal Rexnord Corporation).
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.