The Retainer,packing, cataloged under National Stock Number 5330-01-155-2593, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-155-2593 |
| Primary Part Number | 131792 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.070 INCHES NOMINAL IN |
| Attachment Feature Quantity | 1 |
| Cross-Sectional Height | 1.015 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Peripheral Diameter | 4.922 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Center Hole Diameter | 4.125 INCHES MINIMUM AND 4.141 INCHES MAXIMUM IN |
| Precious Material and Location | EXTERNAL SURFACES SILVER |
| Material | IRON OVERALL |
| Attachment Method | ROUND HOLE |
| 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 |
|---|---|
| 131792 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 057361 ITEM 23 | D/9 Drawing number reference only William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
NSN 5330-01-155-2593 is a Retainer,packing, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-155-2593 has 1 manufacturer part number on file: 131792 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
Key specifications for 131792: Attachment Hole Diameter: 0.070 INCHES NOMINAL IN; Attachment Feature Quantity: 1; Cross-Sectional Height: 1.015 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN; Precious Material: SILVER. 10 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.