The Packing,preformed, cataloged under National Stock Number 5330-01-598-4553, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Packing,preformed |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Marshall Stanley E Inc (CAGE 0P1H0); William Powell Company, the Dba Powell Valve Div the Starflo Corporation (CAGE 48422); Kampi Components Co Inc (CAGE 7Z016) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-598-4553 |
| Primary Part Number | 630093103760000 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 630093103760000 | Marshall Stanley E Inc (USA) |
| 630093103760000 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| 630093103760000 | Kampi Components Co Inc (USA) |
| Reference | Meaning |
|---|---|
| D33580-M PC7 1 1-4" | D/9 Drawing number reference only William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5330-01-598-4553 is a Packing,preformed, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-598-4553 has 3 manufacturer part numbers on file: 630093103760000 (Marshall Stanley E Inc), 630093103760000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 630093103760000 (Kampi Components Co Inc).
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.