The Retainer,packing, cataloged under National Stock Number 5330-01-391-2698, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-391-2698 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.281 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 CLASS A OR CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | CUP |
| Angle | 45.0 DEGREES NOMINAL |
| Peripheral Diameter | 0.838 INCHES NOMINAL IN |
| Center Hole Diameter | 0.573 INCHES NOMINAL IN |
| Material | NICKEL ALLOY R-405 OR NICKEL ALLOY K-500 OVERALL |
| 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 |
|---|---|
| 803-2177934-X4XX-69 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177934-X5XX-69 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-391-2698 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): 5330-01-643-6937. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-391-2698: Cross-Sectional Height: 0.281 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CLASS A OR CLASS B FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: CUP; Angle: 45.0 DEGREES NOMINAL. 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.