The Washer,flat, cataloged under National Stock Number 5310-01-074-6490, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cae Usa Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-074-6490 |
| Primary Part Number | 455930 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.332 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES NOMINAL IN |
| Thickness | 0.042 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 |
|---|---|
| 455930 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 455930 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5310-01-074-6490 is a Washer,flat, manufactured by Cae Usa Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-074-6490 has 1 manufacturer part number on file: 455930 (Cae Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 7045-01-106-8658. Verify interchangeability with system specifications before substitution.
Key specifications for 455930: Overall Diameter: 0.332 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL 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.