The Washer,key, cataloged under National Stock Number 5310-01-413-0330, 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 6 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 | 5310-01-413-0330 |
| Primary Part Number | 845-6556492 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Distance Including Keys | 6.911 INCHES NOMINAL IN |
| Outside Diameter | 5.790 INCHES NOMINAL IN |
| External Straight Key Width | 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| External Key Quantity | 19 |
| Material | STEEL OVERALL |
| Hole Diameter | 5.657 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 |
| Part Number | Manufacturer |
|---|---|
| 845-6556492 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-413-0330 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-413-0330 has 1 manufacturer part number on file: 845-6556492 (Naval Sea Systems Command).
Key specifications for 845-6556492: Overall Distance Including Keys: 6.911 INCHES NOMINAL IN; Outside Diameter: 5.790 INCHES NOMINAL IN; External Straight Key Width: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; External Key Quantity: 19. 6 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.