The Washer,key, cataloged under National Stock Number 5310-01-151-2776, 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14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-151-2776 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.171 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.2625 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.047 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.6045 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.525 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.112 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.382 INCHES NOMINAL 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 |
|---|---|
| 13031611 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 10088092 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 13031611 | 3/9 Design control — primary reference Hammer Manufacturing Co (inc) |
NSN 5310-01-151-2776 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-151-2776: Internal Straight Key Width: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.171 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.2625 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.