The Seal,plain Encased, cataloged under National Stock Number 5330-01-525-3304, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-525-3304 |
| Primary Part Number | P-2001-137-S-379 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Material | RUBBER INTERNAL |
| Material | STEEL EXTERNAL |
| Construction | SPLIT |
| 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 |
|---|---|
| AS06-1779 | CAGE A01PJ |
| LP856-P-2001-137-S-379 | Bae Systems Gcs International Ltd (GBR) |
| 13049745 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| P-2001-137-S-379 PRIMARY | Greene Tweed & Co Inc (USA) |
NSN 5330-01-525-3304 is a Seal,plain Encased, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-525-3304 has 4 manufacturer part numbers on file: AS06-1779, LP856-P-2001-137-S-379 (Bae Systems Gcs International Ltd), 13049745 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), P-2001-137-S-379 (Greene Tweed & Co Inc).
Key specifications for P-2001-137-S-379: Special Features: METAL SPRING ENERGIZED SEAL; Part Name Assigned by Controlling Agency: SEAL, PISTON; End Item Identification: LW155 HOWITZER; Material: RUBBER INTERNAL. 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.