The Washer,key, cataloged under National Stock Number 5310-01-104-4875, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-104-4875 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.250 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| External Straight Key Width | 0.156 INCHES NOMINAL IN |
| External Key Quantity | 5 |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 2810-38887-A11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-104-4875 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-104-4875: Overall Distance Including Keys: 1.250 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.750 INCHES NOMINAL IN; Material Thickness: 0.025 INCHES NOMINAL IN. 7 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.