The Washer,shouldered, cataloged under National Stock Number 5310-01-417-9956, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-417-9956 |
| Primary Part Number | 74A410522-2007 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shoulder Height | 0.089 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.504 INCHES MINIMUM AND 3.506 INCHES MAXIMUM IN |
| Shoulder Diameter | 3.204 INCHES MINIMUM AND 3.264 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 2.994 INCHES MINIMUM AND 2.999 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 |
|---|---|
| 74A410522-2007 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75310011223218 | 5/2 Secondary reference U.S. Government activity |
| 10122312 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-417-9956 is a Washer,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-417-9956 has 1 manufacturer part number on file: 74A410522-2007 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-656-6267. Verify interchangeability with system specifications before substitution.
Key specifications for 74A410522-2007: Overall Height: 0.565 INCHES NOMINAL IN; Shoulder Height: 0.089 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE 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.