The Washer,key, cataloged under National Stock Number 5310-00-085-2933, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-085-2933 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Split Key Length | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.247 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| External Key Quantity | 3 |
| External Prebent Key Width | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 OVERALL |
| Angle Between External Keys | 78.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Hole Diameter | 0.570 INCHES MINIMUM AND 0.580 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 |
|---|---|
| MS9276-15 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-00-085-2933 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-085-2933: Distance From Centerline to Inside of Prebent Key: 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN; Split Key Length: 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN; External Prebent Key Length: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.247 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN. 14 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.