The Washer,key, cataloged under National Stock Number 5310-01-133-3911, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Mission Systems Orchard Park Inc (CAGE 04577); Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-133-3911 |
| Primary Part Number | 3603-0065-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mission Systems Orchard Park Inc |
| 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 |
|---|---|
| 3603-0065-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| CA21062-06R | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| CA21062-06R | 5/9 Secondary reference Chicago Hardware Foundry Co Inc |
| 72B235004-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
| 717801733-001 | 5/9 Secondary reference Lockheed Martin Corporation |
| 906512-1 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
| 7548668 PART 1 | 5/9 Secondary reference U.S. Government activity |
| 8001655-1 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International |
NSN 5310-01-133-3911 is a Washer,key, manufactured by Mission Systems Orchard Park Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-133-3911 has 2 manufacturer part numbers on file: 3603-0065-1 (Mission Systems Orchard Park Inc), CA21062-06R (Howmet Global Fastening Systems Inc. Div Tridair Products).
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.