The Seal,plain, cataloged under National Stock Number 5330-01-379-2856, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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,plain |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (CAGE 41387); Siemens Moore Process Automation (CAGE U2445) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-379-2856 |
| Primary Part Number | 20520-23 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
NSN 5330-01-379-2856 is a Seal,plain, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-379-2856 has 2 manufacturer part numbers on file: 20520-23 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 20520-23 (Siemens Moore Process Automation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-584-3122. 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.