The Seal,copper, cataloged under National Stock Number 5330-01-107-3252, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Schwien Engineering, Inc. Dba Schwien Engineering Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal,copper |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Schwien Engineering, Inc. Dba Schwien Engineering Inc (CAGE 31943) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-107-3252 |
| Primary Part Number | 4900-0001 |
| Item Name | Seal,copper |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Schwien Engineering, Inc. Dba Schwien Engineering Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 4900-0001 PRIMARY | Schwien Engineering, Inc. Dba Schwien Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| C1000-4 | 5/9 Secondary reference Schwien Engineering, Inc. Dba Schwien Engineering Inc |
NSN 5330-01-107-3252 is a Seal,copper, manufactured by Schwien Engineering, Inc. Dba Schwien Engineering Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-107-3252 has 1 manufacturer part number on file: 4900-0001 (Schwien Engineering, Inc. Dba Schwien Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-110-6880. Verify interchangeability with system specifications before substitution.
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.