The Retainer,packing, cataloged under National Stock Number 5330-01-323-5567, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-323-5567 |
| Primary Part Number | 337957 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.520 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Flanged Body Outside Diameter | 0.725 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Peripheral Diameter | 1.280 INCHES NOMINAL IN |
| Center Hole Diameter | 0.611 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1008 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 |
|---|---|
| 337957 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 337957 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5330-01-323-5567 is a Retainer,packing, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-323-5567 has 1 manufacturer part number on file: 337957 (General Motors Llc Dba General Motors Llc).
Key specifications for 337957: Cross-Sectional Height: 0.520 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL; Flanged Body Outside Diameter: 0.725 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN; Peripheral Diameter: 1.280 INCHES NOMINAL IN. 6 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.