The Washer,key, cataloged under National Stock Number 5310-01-447-0743, 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 7 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 | 5310-01-447-0743 |
| Primary Part Number | 518-5794762 ITEM 28 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Distance From Centerline to End of Longest Key | 1.625 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.250 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR KEY |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| External Prebent Key Width | 2.750 INCHES NOMINAL IN |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 518-5794762 ITEM 28 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-447-0743 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-447-0743 has 1 manufacturer part number on file: 518-5794762 ITEM 28 (Naval Sea Systems Command).
Key specifications for 518-5794762 ITEM 28: Distance From Centerline to End of Longest Key: 1.625 INCHES NOMINAL IN; Overall Distance Including Keys: 3.250 INCHES NOMINAL IN; Style Designator: RECTANGULAR KEY; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 7 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.