The Packing Assembly, cataloged under National Stock Number 5330-01-252-3139, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cooper Valve Co Div of Texstream. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-252-3139 |
| Primary Part Number | TSG-1579 PIECE 5 1 INCH |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cooper Valve Co Div of Texstream |
| Status | ACTIVE |
| Intermediate Ring Quantity | 4 |
| Outside Diameter | 1.030 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR LOCATION NOT OTHERWISE SPECIFIED |
| Inside Diameter | 0.625 INCHES NOMINAL IN |
| Height | 1.062 INCHES NOMINAL IN |
| Material | PLASTIC TETRAFLUOROETHYLENE 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 |
|---|---|
| TSG-1579 PIECE 5 1 INCH PRIMARY | Cooper Valve Co Div of Texstream (USA) |
NSN 5330-01-252-3139 is a Packing Assembly, manufactured by Cooper Valve Co Div of Texstream, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-252-3139 has 1 manufacturer part number on file: TSG-1579 PIECE 5 1 INCH (Cooper Valve Co Div of Texstream).
Key specifications for TSG-1579 PIECE 5 1 INCH: Intermediate Ring Quantity: 4; Outside Diameter: 1.030 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR LOCATION NOT OTHERWISE SPECIFIED; Inside Diameter: 0.625 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.