The Retainer,packing, cataloged under National Stock Number 5330-00-978-0194, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-978-0194 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Outer Groove Depth | 0.121 INCHES NOMINAL IN |
| Cross-Sectional Height | 1.575 INCHES MINIMUM AND 1.585 INCHES MAXIMUM IN |
| Body Recess Diameter | 1.391 INCHES MINIMUM AND 1.392 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-671 CL 3 GR5-C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPECIAL |
| Cross Section Inside Diameter | 1.125 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN |
| Angle | 45.0 DEGREES NOMINAL |
| Outer Groove Width | 0.208 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Inner Groove Width | 0.200 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Cross Section Outside Diameter | 1.686 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 953 OVERALL |
| Body Recess Depth | 0.463 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 794552-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-978-0194 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-01-263-5583. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-978-0194: Outer Groove Depth: 0.121 INCHES NOMINAL IN; Cross-Sectional Height: 1.575 INCHES MINIMUM AND 1.585 INCHES MAXIMUM IN; Body Recess Diameter: 1.391 INCHES MINIMUM AND 1.392 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-671 CL 3 GR5-C FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 13 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.