The Washer,key, cataloged under National Stock Number 5310-01-418-9034, 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4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-418-9034 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.955 INCHES MINIMUM AND 1.975 INCHES MAXIMUM IN |
| Material Thickness | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Hole Diameter | 0.740 INCHES MINIMUM AND 0.760 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 |
|---|---|
| A362M556-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-418-9034 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-418-9034: Overall Distance Including Keys: 1.955 INCHES MINIMUM AND 1.975 INCHES MAXIMUM IN; Material Thickness: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Special Features: 8 HOLES LOCATED ON WASHER KEY;FOUR HOLES WITH OD OF 0.172 MIN TO 0.175 MAX;ONE HOLE WITH OD OF 0.166 MIN TO 0.171 MAX;ONE HOLE WITH OD OF 0.135 MIN TO 0.137 MAX;TWO HOLES WITH OD OF 0.079 TO 0.082 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.