The Washer,key, cataloged under National Stock Number 5310-00-294-8384, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-294-8384 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 2.360 INCHES MINIMUM AND 2.390 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | LC+77-2037,CL 1,GR A,TYPE 1 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-250/5,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.400 INCHES MINIMUM AND 5.440 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 4.890 INCHES MINIMUM AND 4.920 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 |
|---|---|
| 1284554-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-294-8384 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-294-8384: Internal Straight Key Width: 0.200 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 2.360 INCHES MINIMUM AND 2.390 INCHES MAXIMUM IN; Surface Treatment Document and Classification: LC+77-2037,CL 1,GR A,TYPE 1 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: KEY. 11 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.