The Washer,key, cataloged under National Stock Number 5310-01-212-3340, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aerospace Industries Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,key |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Aerospace Industries Llc (CAGE 0AMR1); Berkshire Manufactured Products, Inc. Dba Pursuit Aerospace (CAGE 02653); General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (CAGE 03350) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-212-3340 |
| Primary Part Number | 646C692P2 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aerospace Industries Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 646C692P2 | Aerospace Industries Llc (USA) |
| 646C692P2 | Berkshire Manufactured Products, Inc. Dba Pursuit Aerospace (USA) |
| 646C692P2 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| Reference | Meaning |
|---|---|
| 646C692P2 | 3/2 Design control — primary reference U.S. Government activity |
| 646C692P2 | 5/9 Secondary reference Refa International Inc. |
| 646C692P2 | 5/9 Secondary reference Foss-Brown, Inc. |
NSN 5310-01-212-3340 is a Washer,key, manufactured by Aerospace Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-212-3340 has 3 manufacturer part numbers on file: 646C692P2 (Aerospace Industries Llc), 646C692P2 (Berkshire Manufactured Products, Inc. Dba Pursuit Aerospace), 646C692P2 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp).
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.