The Seal Ring,metal, cataloged under National Stock Number 5330-00-776-7641, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-776-7641 |
| Primary Part Number | 6762032 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-S-365,TYPE 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Outside Diameter | 4.125 INCHES NOMINAL IN |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1240 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | SILVER OVERALL |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7767641 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6762032 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 62.31.024 | 5/9 Secondary reference Sapa Operaciones SL |
| 6762032 | 5/9 Secondary reference Spalla Inc |
| 6762032 | 5/9 Secondary reference General Motors Corp |
NSN 5330-00-776-7641 is a Seal Ring,metal, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-776-7641 has 2 manufacturer part numbers on file: 7767641 (U S Army Tank Automotive Command Amsta-Im-Mm), 6762032 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6762032: Surface Treatment Document and Classification: QQ-S-365,TYPE 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Width: 0.1220 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Outside Diameter: 4.125 INCHES NOMINAL IN; Joint Style: VERTICAL JOINT. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.