The Washer,key, cataloged under National Stock Number 5310-01-175-6960, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Warfare Center Aircraft Div. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-175-6960 |
| Primary Part Number | 1083AS268-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Warfare Center Aircraft Div |
| Status | ACTIVE |
| Internal Straight Key Width | 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.298 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.682 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-B-613,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| External Prebent Key Width | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 260 OVERALL |
| Hole Diameter | 0.375 INCHES MINIMUM AND 0.379 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 |
| Part Number | Manufacturer |
|---|---|
| 1083AS268-1 PRIMARY | Naval Air Warfare Center Aircraft Div (USA) |
NSN 5310-01-175-6960 is a Washer,key, manufactured by Naval Air Warfare Center Aircraft Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-175-6960 has 1 manufacturer part number on file: 1083AS268-1 (Naval Air Warfare Center Aircraft Div).
Key specifications for 1083AS268-1: Internal Straight Key Width: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.298 INCHES MINIMUM AND 0.333 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.