The Retainer,packing, cataloged under National Stock Number 5330-01-317-6723, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 4 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. 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 | 5330-01-317-6723 |
| Primary Part Number | 8384-4 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.313 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 2.500 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 8384-4 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
NSN 5330-01-317-6723 is a Retainer,packing, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-317-6723 has 1 manufacturer part number on file: 8384-4 (Cef Industries, Llc Dba Cef Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-429-9634, 5305-01-724-3715. Verify interchangeability with system specifications before substitution.
Key specifications for 8384-4: Cross-Sectional Height: 0.313 INCHES NOMINAL IN; Cross-Sectional Shape Style: SPECIAL; Peripheral Diameter: 2.500 INCHES NOMINAL IN; End Item Identification: USED ON 1620012056412. 4 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.