The Packing,preformed, cataloged under National Stock Number 5330-01-476-7121, 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 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-476-7121 |
| Primary Part Number | 7346FR-2T |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.872 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Diameter | 4.122 INCHES NOMINAL IN |
| Center Hole Diameter | 0.112 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7346FR-2T PRIMARY | Greene Tweed & Co Inc (USA) |
| 7346FT-4780T PRIMARY | Greene Tweed & Co Inc (USA) |
| 7M1190ST346-3 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 7M1190 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 7346FT-4780T | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-476-7121 is a Packing,preformed, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-476-7121 has 3 manufacturer part numbers on file: 7346FR-2T (Greene Tweed & Co Inc), 7346FT-4780T (Greene Tweed & Co Inc), 7M1190ST346-3 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-734-1013. Verify interchangeability with system specifications before substitution.
Key specifications for 7346FR-2T: Cross-Sectional Height: 3.872 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Diameter: 4.122 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.
NSN 5330-01-476-7121 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.