The Washer,key, cataloged under National Stock Number 5310-01-175-3715, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-175-3715 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.065 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.237 INCHES MINIMUM AND 0.238 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 |
|---|---|
| 71-J-1103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-175-3715 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-175-3715: Distance From Centerline to Inside of Prebent Key: 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; External Prebent Key Length: 0.065 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN. 9 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.