The Packing Assembly, cataloged under National Stock Number 5330-01-258-5399, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-258-5399 |
| Primary Part Number | 7123MR160T |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Intermediate Ring Quantity | 1 |
| Outside Diameter | 1.366 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | TEE LOCATION NOT OTHERWISE SPECIFIED |
| Cut Type | DIAGONAL BOTTOM RING |
| Cut Type | DIAGONAL TOP RING |
| Inside Diameter | 1.188 INCHES NOMINAL IN |
| Height | 0.245 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INTERMEDIATE RING |
| Material | PLASTIC ACETAL BOTTOM RING |
| Material | PLASTIC ACETAL 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 |
|---|---|
| 7123MR160T PRIMARY | Greene Tweed & Co Inc (USA) |
| S34700-123G1 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7123MR160T | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-258-5399 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-258-5399 has 2 manufacturer part numbers on file: 7123MR160T (Greene Tweed & Co Inc), S34700-123G1 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for 7123MR160T: Intermediate Ring Quantity: 1; Outside Diameter: 1.366 INCHES NOMINAL IN; Cross-Sectional Shape Style: TEE LOCATION NOT OTHERWISE SPECIFIED; Cut Type: DIAGONAL BOTTOM 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.