The Gasket, cataloged under National Stock Number 5330-01-139-3867, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-139-3867 |
| Primary Part Number | 630074793000000 |
| 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 |
| Temp Rating | 500.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Maximum Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 4.250 INCHES NOMINAL IN |
| Aperture Diameter | 3.562 INCHES NOMINAL IN |
| Material | IRON 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 |
|---|---|
| 630074793000000 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 055715-E-CS-2.5IN-PC20 | 5/1 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 47793 | 5/9 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 055715 ITEM 20 | 5/1 Secondary reference William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5330-01-139-3867 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 5330-01-139-3867 has 1 manufacturer part number on file: 630074793000000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 630074793000000: Temp Rating: 500.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Maximum Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) LBS; Style Designator: CIRCULAR. 8 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.