The Gasket, cataloged under National Stock Number 5330-01-073-0917, 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 4 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. 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 | 5330-01-073-0917 |
| Primary Part Number | 07478 |
| 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 | 0.023 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Outside Diameter | 3.609 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN |
| Aperture Diameter | 3.000 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 07478 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
NSN 5330-01-073-0917 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 5330-01-073-0917 has 1 manufacturer part number on file: 07478 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4930-01-575-5071. Verify interchangeability with system specifications before substitution.
Key specifications for 07478: Cross-Sectional Thickness: 0.023 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Outside Diameter: 3.609 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN; Aperture Diameter: 3.000 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN. 4 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.