The Washer,spring Tension, cataloged under National Stock Number 5310-00-174-7429, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-174-7429 |
| Primary Part Number | 7767773 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 9.860 INCHES MINIMUM AND 9.890 INCHES MAXIMUM IN |
| Material Thickness | 0.214 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Hole Diameter | 5.000 INCHES MINIMUM AND 5.025 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 |
|---|---|
| 7767773 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6762087 | 5/9 Secondary reference General Motors Corp |
| 62.71.083 | 5/9 Secondary reference Sapa Operaciones SL |
| 6762087 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5310-00-174-7429 is a Washer,spring Tension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-174-7429 has 1 manufacturer part number on file: 7767773 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 1240-00-627-1083. Verify interchangeability with system specifications before substitution.
Key specifications for 7767773: Overall Height: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM; Material Document and Classification: QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR 66 FED STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 9.860 INCHES MINIMUM AND 9.890 INCHES MAXIMUM IN. 5 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.