The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-753-9073, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-753-9073 |
| Primary Part Number | 7409422 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shoulder Height | 0.042 INCHES NOMINAL IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Shoulder Diameter | 0.206 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Material | COPPER OVERALL |
| Hole Diameter | 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 648997 | Am General Llc (USA) |
| 7409422 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 636H1 | 5/9 Secondary reference Diamond Reo Truck Co |
| 103820R1 | 5/2 Secondary reference U.S. Government activity |
| 5310007539073 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 103820R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 914200 | 5/9 Secondary reference Sasco Inc Canadian Div |
| KC3862 | 5/9 Secondary reference Diamond Reo Truck Co |
NSN 5310-00-753-9073 is a Washer,shouldered and Recessed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-753-9073 has 2 manufacturer part numbers on file: 648997 (Am General Llc), 7409422 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 1650-01-423-2434, 1680-01-590-0977. Verify interchangeability with system specifications before substitution.
Key specifications for 7409422: Shoulder Height: 0.042 INCHES NOMINAL IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN. 9 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.