The Washer,key, cataloged under National Stock Number 5310-01-229-1401, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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 | 5310-01-229-1401 |
| Primary Part Number | 5169424-001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.150 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-533 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.254 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| External Straight Key Width | 0.400 INCHES NOMINAL IN |
| Distance From Centerline to End of Key | 0.750 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| Surface Treatment | TIN OVERALL |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.262 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 |
|---|---|
| 5169424-001 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-229-1401 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-229-1401 has 1 manufacturer part number on file: 5169424-001 (Naval Sea Systems Command).
Key specifications for 5169424-001: Surface Treatment Document and Classification: ASTM B545 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 1.150 INCHES NOMINAL IN; Material Document and Classification: QQ-C-533 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.670 INCHES NOMINAL IN. 10 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.