The Washer,key, cataloged under National Stock Number 5310-01-485-6079, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 11 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 | 5310-01-485-6079 |
| Primary Part Number | 4503226 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Second Key Width | 0.179 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | ASTMA666,TY301 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.155 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN |
| First Key Width | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Material Thickness | 0.033 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Distance From Centerline to End of Key | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 0.925 INCHES MINIMUM AND 0.945 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 |
|---|---|
| 4503226 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 5310-01-485-6079 is a Washer,key, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-485-6079 has 1 manufacturer part number on file: 4503226 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4503226: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Second Key Width: 0.179 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: ASTMA666,TY301 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.