The Retainer,packing, cataloged under National Stock Number 5330-01-191-0529, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Stemco Inc Sub of Coltec Industries Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-191-0529 |
| Primary Part Number | 392-9053 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Stemco Inc Sub of Coltec Industries Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.570 INCHES NOMINAL IN |
| Peripheral Diameter | 7.254 INCHES NOMINAL IN |
| Center Hole Diameter | 6.248 INCHES NOMINAL IN |
| 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 |
|---|---|
| 392-9053 PRIMARY | Stemco Inc Sub of Coltec Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 390-9053 | 5/9 Secondary reference Stemco Inc Sub of Coltec Industries Inc |
| 364-6404 | 5/9 Secondary reference Stemco Inc Sub of Coltec Industries Inc |
NSN 5330-01-191-0529 is a Retainer,packing, manufactured by Stemco Inc Sub of Coltec Industries Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-191-0529 has 1 manufacturer part number on file: 392-9053 (Stemco Inc Sub of Coltec Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-457-9220. Verify interchangeability with system specifications before substitution.
Key specifications for 392-9053: Cross-Sectional Height: 0.570 INCHES NOMINAL IN; Peripheral Diameter: 7.254 INCHES NOMINAL IN; Center Hole Diameter: 6.248 INCHES NOMINAL IN; End Item Identification: MRAP - UNIQUE NSN - MRAP NO PERMANENT WSDC IDENTIFIED. 3 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.