The Packing with Retainer, cataloged under National Stock Number 5330-00-641-7273, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-641-7273 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Retainer Inside Diameter | 0.500 INCHES NOMINAL IN |
| Packing Inside Diameter | 0.364 INCHES NOMINAL IN |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.070 INCHES NOMINAL IN |
| Material Document and Classification | AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE PACKING |
| Retainer Thickness | 0.050 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | RUBBER SILICONE CLASS Q PACKING |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| 741790-9 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| 800-630 3-8 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corp Div O-Ring Division |
| 800-630-3-8 | 3/2 Design control — primary reference U.S. Government activity |
| 741790-9 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 494150-349 | 5/9 Secondary reference L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
NSN 5330-00-641-7273 is a Packing with Retainer, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-529-5583. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-641-7273: Retainer Inside Diameter: 0.500 INCHES NOMINAL IN; Packing Inside Diameter: 0.364 INCHES NOMINAL IN; Outside Diameter: 0.687 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.070 INCHES NOMINAL IN. 9 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.