The Packing with Retainer, cataloged under National Stock Number 5330-01-178-3727, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-178-3727 |
| Primary Part Number | 20332-7 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Retainer Inside Diameter | 0.4275 INCHES NOMINAL IN |
| Packing Inside Diameter | 0.766 INCHES NOMINAL IN |
| Packing Ring Cross-Sectional Diameter | 0.050 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 |
|---|---|
| 20332-7 PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| 50129-5S | Mission Systems Davenport Inc. (USA) |
| Reference | Meaning |
|---|---|
| 600-501-7-16 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 600-501-7/16 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-178-3727 is a Packing with Retainer, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-178-3727 has 2 manufacturer part numbers on file: 20332-7 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 50129-5S (Mission Systems Davenport Inc.).
Key specifications for 20332-7: Retainer Inside Diameter: 0.4275 INCHES NOMINAL IN; Packing Inside Diameter: 0.766 INCHES NOMINAL IN; Packing Ring Cross-Sectional Diameter: 0.050 INCHES NOMINAL IN. 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.