The Packing Assembly, cataloged under National Stock Number 5330-00-769-7572, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-769-7572 |
| Primary Part Number | 645980 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Outside Diameter | 1.500 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Inside Diameter | 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Height | 0.375 INCHES NOMINAL IN |
| Material | RUBBER SEPARATOR |
| Material | WOOL BOTTOM RING |
| 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 |
|---|---|
| 645980 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| T90A54A | 5/9 Secondary reference Borg-Warner Corp |
| 7697572 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| T90A54A | 3/9 Design control — primary reference Liberty Ventures Inti, Llc |
NSN 5330-00-769-7572 is a Packing Assembly, manufactured by Am General Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-769-7572 has 1 manufacturer part number on file: 645980 (Am General Llc).
Key specifications for 645980: Outside Diameter: 1.500 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR BOTTOM RING; Cross-Sectional Shape Style: SQUARE/RECTANGULAR TOP RING; Inside Diameter: 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN. 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.