The Packing Assembly, cataloged under National Stock Number 5330-01-005-4069, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-005-4069 |
| Primary Part Number | 7338MS160T |
| 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 | 3.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SPECIAL INTERMEDIATE RING |
| Specification/standard Data | 76301-ST7-254 MANUFACTURERS SPECIFICATION |
| Inside Diameter | 3.098 INCHES NOMINAL IN |
| Height | 0.326 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INTERMEDIATE RING |
| Joint Type | SCARF-PERIPHERAL TOP RING |
| Joint Type | SCARF-PERIPHERAL BOTTOM 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 |
|---|---|
| ST7M254-338-2 | The Boeing Company Div Defense (USA) |
| 7338MS160T PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| S38421-338BAK1 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. |
| 7338MS160T | 5/9 Secondary reference Greene Tweed and Co Advantec Div |
| 7338MS160T | 5/9 Secondary reference Palmetto Inc |
NSN 5330-01-005-4069 is a Packing Assembly, manufactured by Greene Tweed & Co Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-005-4069 has 2 manufacturer part numbers on file: ST7M254-338-2 (The Boeing Company Div Defense), 7338MS160T (Greene Tweed & Co Inc).
Key specifications for 7338MS160T: Intermediate Ring Quantity: 1; Outside Diameter: 3.500 INCHES NOMINAL IN; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING; Cross-Sectional Shape Style: SQUARE/RECTANGULAR BOTTOM RING. 12 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.