The Washer,key, cataloged under National Stock Number 5310-00-908-3022, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-908-3022 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Split Key Length | 0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.675 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Hardness Rating | 76.0 ROCKWELL SUPERFICIAL 30-T MAXIMUM |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| External Prebent Key Angle | 20.0 DEGREES MINIMUM AND 40.0 DEGREES MAXIMUM |
| Internal Prebent Key Length | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Angle Between External Keys | 60.0 DEGREES NOMINAL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.340 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 |
|---|---|
| 2-160-408-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-908-3022 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-908-3022: Internal Prebent Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Split Key Length: 0.160 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.675 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN; Hardness Rating: 76.0 ROCKWELL SUPERFICIAL 30-T MAXIMUM. 13 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.