The Washer,flat, cataloged under National Stock Number 5310-01-413-5482, 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 8 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 | 5310-01-413-5482 |
| Primary Part Number | 845-6603126 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 0.974 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Inside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN |
| Thickness | 0.094 INCHES MINIMUM AND 0.098 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 |
|---|---|
| 6603141-168 | Naval Sea Systems Command (USA) |
| 845-6603126 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-413-5482 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-413-5482 has 2 manufacturer part numbers on file: 6603141-168 (Naval Sea Systems Command), 845-6603126 (Naval Sea Systems Command).
Key specifications for 845-6603126: Overall Diameter: 0.974 INCHES MINIMUM AND 0.982 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Inside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Peripheral Shape Style: ROUND. 8 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.