The Retainer,packing, cataloged under National Stock Number 5330-00-453-5543, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne 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 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 | 5330-00-453-5543 |
| Primary Part Number | 2304934-1 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.200 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ANGLE |
| Angle | 30.0 DEGREES NOMINAL |
| Peripheral Diameter | 1.242 INCHES NOMINAL IN |
| Center Hole Diameter | 1.040 INCHES NOMINAL IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 2304934-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
NSN 5330-00-453-5543 is a Retainer,packing, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-453-5543 has 1 manufacturer part number on file: 2304934-1 (Cosmodyne, Llc Dba Cosmodyne Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-359-9416. Verify interchangeability with system specifications before substitution.
Key specifications for 2304934-1: Cross-Sectional Height: 0.200 INCHES NOMINAL IN; Cross-Sectional Shape Style: ANGLE; Angle: 30.0 DEGREES NOMINAL; Peripheral Diameter: 1.242 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.