The Packing Assembly, cataloged under National Stock Number 5330-01-251-2943, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-251-2943 |
| Primary Part Number | TSG-1579 PIECE 5 2 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 | 1.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR INTERMEDIATE RING |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Height | 1.875 INCHES NOMINAL IN |
| Material | PLASTIC TETRAFLUOROETHYLENE INTERMEDIATE RING |
| Material | PLASTIC TETRAFLUOROETHYLENE BOTTOM RING |
| Material | PLASTIC TETRAFLUOROETHYLENE TOP RING |
| 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 2 INCH PRIMARY | Cooper Valve Co Div of Texstream (USA) |
NSN 5330-01-251-2943 is a Packing Assembly, manufactured by Cooper Valve Co Div of Texstream, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-251-2943 has 1 manufacturer part number on file: TSG-1579 PIECE 5 2 INCH (Cooper Valve Co Div of Texstream).
Key specifications for TSG-1579 PIECE 5 2 INCH: Intermediate Ring Quantity: 4; Outside Diameter: 1.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR BOTTOM RING; Cross-Sectional Shape Style: SQUARE/RECTANGULAR TOP RING. 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.