The Washer,key, cataloged under National Stock Number 5310-01-418-9033, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-418-9033 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.965 INCHES MINIMUM AND 1.995 INCHES MAXIMUM IN |
| Material Thickness | 1.011 INCHES MINIMUM AND 1.021 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Hole Diameter | 1.011 INCHES MINIMUM AND 1.021 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A362M560-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-418-9033 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-418-9033: Overall Distance Including Keys: 1.965 INCHES MINIMUM AND 1.995 INCHES MAXIMUM IN; Material Thickness: 1.011 INCHES MINIMUM AND 1.021 INCHES MAXIMUM IN; Special Features: 5 HOLES LOCATED ON WASHER KEY;FOUR HOLES WITH OD OF 0.172MIN TO 0.175 MAX;ONE HOLE WITH A OD OF 0.135 MIN TO 0.137 MAX.; Surface Treatment: NICKEL OVERALL. 4 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.