The Washer,shouldered, cataloged under National Stock Number 5310-01-262-8258, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-262-8258 |
| Primary Part Number | 74A450825-2001 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Material Thickness | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Material | STEEL COMP XM-13 OVERALL |
| Hole Diameter | 0.375 INCHES MINIMUM AND 0.377 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 |
|---|---|
| 74A450825-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A450825-2001 | Kampi Components Co Inc (USA) |
| 74A450825-2001 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 74A450825-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10110239 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1958-C-109 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-262-8258 is a Washer,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-262-8258 has 4 manufacturer part numbers on file: 74A450825-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A450825-2001 (Kampi Components Co Inc), 74A450825-2001 (Reid Products Inc. Dba Reid Products Inc), 74A450825-2001 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-422-9532. Verify interchangeability with system specifications before substitution.
Key specifications for 74A450825-2001: Style Designator: SHOULDERED; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Material Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. 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.