The Gasket, cataloged under National Stock Number 5330-01-033-4371, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-033-4371 |
| Primary Part Number | 630038643762700 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.625 INCHES NOMINAL IN |
| Aperture Diameter | 3.000 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| 630038643762700 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| F37101A-03864 | 5/9 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| F-37101-03864 | 5/9 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5330-01-033-4371 is a Gasket, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-033-4371 has 1 manufacturer part number on file: 630038643762700 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-468-5570. Verify interchangeability with system specifications before substitution.
Key specifications for 630038643762700: Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 3.625 INCHES NOMINAL IN. 6 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.