The Seal,plain, cataloged under National Stock Number 5330-01-274-4495, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Johns Manville Intl. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-274-4495 |
| Primary Part Number | 19204 LUPW |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Johns Manville Intl |
| Status | ACTIVE |
| Seal Width | 0.500 INCHES NOMINAL IN |
| Housing Bore Diameter | 5.000 INCHES NOMINAL IN |
| Material Document and Classification | H1 CAGEC 75165 MFR REF ALL MATERIAL RESPONSES HEEL |
| Material Document and Classification | L5 CAGEC 75165 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 4.000 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | ASBESTOS AND RUBBER HEEL |
| Construction | SOLID |
| 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 |
|---|---|
| 19204 LUPW PRIMARY | Johns Manville Intl (USA) |
| Reference | Meaning |
|---|---|
| 0561C0040-3 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 0561C0040-3 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
NSN 5330-01-274-4495 is a Seal,plain, manufactured by Johns Manville Intl, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-274-4495 has 1 manufacturer part number on file: 19204 LUPW (Johns Manville Intl).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-382-6883. Verify interchangeability with system specifications before substitution.
Key specifications for 19204 LUPW: Seal Width: 0.500 INCHES NOMINAL IN; Housing Bore Diameter: 5.000 INCHES NOMINAL IN; Material Document and Classification: H1 CAGEC 75165 MFR REF ALL MATERIAL RESPONSES HEEL; Material Document and Classification: L5 CAGEC 75165 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT. 10 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.