The Retainer,packing, cataloged under National Stock Number 5330-01-442-3424, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-442-3424 |
| Primary Part Number | 100H231PC271 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Cross-Sectional Height | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Material | RUBBER NATURAL 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 |
|---|---|
| 100H231PC271 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| WR4-040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-442-3424 is a Retainer,packing, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-442-3424 has 1 manufacturer part number on file: 100H231PC271 (Northrop Grumman Systems Corporation Div Marine Systems).
Key specifications for 100H231PC271: Cross-Sectional Height: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Center Hole Diameter: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN; Material: RUBBER NATURAL OVERALL. 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.