The Washer,key, cataloged under National Stock Number 5310-01-145-0660, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-145-0660 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.234 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.058 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Hole Diameter | 0.248 INCHES MINIMUM AND 0.252 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 |
|---|---|
| 492-1023-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-145-0660 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-145-0660: Distance From Centerline to Inside of Prebent Key: 0.234 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN; External Prebent Key Length: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN; Style Designator: KEY. 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.