The Washer,key, cataloged under National Stock Number 5310-01-413-5484, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-413-5484 |
| Primary Part Number | 845-6556505 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.315 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 4.517 INCHES MINIMUM AND 4.537 INCHES MAXIMUM IN |
| Outside Diameter | 4.083 INCHES MINIMUM AND 4.103 INCHES MAXIMUM IN |
| Material Thickness | 0.038 INCHES MINIMUM AND 0.058 INCHES MAXIMUM IN |
| External Key Quantity | 19 |
| External Prebent Key Angle | 40.0 DEGREES NOMINAL |
| Internal Prebent Key Length | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.295 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 3.543 INCHES MINIMUM AND 3.563 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 |
|---|---|
| 845-6556505 PRIMARY | Naval Sea Systems Command (USA) |
| 845-6603141-56 | Naval Sea Systems Command (USA) |
NSN 5310-01-413-5484 is a Washer,key, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-413-5484 has 2 manufacturer part numbers on file: 845-6556505 (Naval Sea Systems Command), 845-6603141-56 (Naval Sea Systems Command).
Key specifications for 845-6556505: Internal Prebent Key Width: 0.315 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN; Overall Distance Including Keys: 4.517 INCHES MINIMUM AND 4.537 INCHES MAXIMUM IN; Outside Diameter: 4.083 INCHES MINIMUM AND 4.103 INCHES MAXIMUM IN; Material Thickness: 0.038 INCHES MINIMUM AND 0.058 INCHES MAXIMUM 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.