The Seal,plain Encased, cataloged under National Stock Number 5330-01-085-4265, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-085-4265 |
| Primary Part Number | 104050 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Seal Width | 0.375 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 2.625 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.875 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 05079 ITEM 9 | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 104050 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 5330-01-085-4265 is a Seal,plain Encased, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-085-4265 has 2 manufacturer part numbers on file: 05079 ITEM 9 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 104050 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-226-3991. Verify interchangeability with system specifications before substitution.
Key specifications for 104050: Seal Width: 0.375 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 2.625 INCHES NOMINAL IN; Case Style: RECESSED. 7 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.