The Packing Assembly, cataloged under National Stock Number 5330-00-588-2973, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-588-2973 |
| Primary Part Number | 7331FS160AT |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Intermediate Ring Quantity | 1 |
| Outside Diameter | 2.620 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING |
| Inside Diameter | 2.246 INCHES MINIMUM AND 2.248 INCHES MAXIMUM IN |
| Height | 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 7331FS160AT PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 7331FS160AT | 5/9 Secondary reference Palmetto Inc |
NSN 5330-00-588-2973 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-588-2973 has 1 manufacturer part number on file: 7331FS160AT (Greene Tweed & Co Inc).
Key specifications for 7331FS160AT: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Intermediate Ring Quantity: 1; Outside Diameter: 2.620 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING. 9 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.