The Packing with Retainer, cataloged under National Stock Number 5330-01-289-2748, 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 4 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-289-2748 |
| Primary Part Number | 7326MT160-T |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Supplementary Features | ITEM IS NOT CSI BUT HAS CRITICAL FEATURES SUCH AS HEAT TREATMENT, SURFACE FINISH, OR MATERIAL TYPE AND SPECIAL INSP. REQ.S SUCH AS MAGNETIC PARTICLE INSP. OR FLUORESCENT PENETRANT INSPECTION |
| Criticality Code Justification | SUPP |
| Reference Data and Literature | T.O. 4S2-89-4,NLG |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7326MT160-T PRIMARY | Greene Tweed & Co Inc (USA) |
| ST7M254-326-3 PRIMARY | The Boeing Company Div Defense (USA) |
| S34702-326-G1 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| S38422-326-BAK-1 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7326MT160-T | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-289-2748 is a Packing with Retainer, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-289-2748 has 4 manufacturer part numbers on file: 7326MT160-T (Greene Tweed & Co Inc), ST7M254-326-3 (The Boeing Company Div Defense), S34702-326-G1 (Trelleborg Sealing Solutions Us, Inc.), S38422-326-BAK-1 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for 7326MT160-T: Supplementary Features: ITEM IS NOT CSI BUT HAS CRITICAL FEATURES SUCH AS HEAT TREATMENT, SURFACE FINISH, OR MATERIAL TYPE AND SPECIAL INSP. REQ.S SUCH AS MAGNETIC PARTICLE INSP. OR FLUORESCENT PENETRANT INSPECTION; Criticality Code Justification: SUPP; Reference Data and Literature: T.O. 4S2-89-4,NLG; End Item Identification: F-15C. 4 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.