The Packing Assembly, cataloged under National Stock Number 5330-01-175-3776, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Packing Assembly |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-175-3776 |
| Primary Part Number | ST7M254-427-3 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| S38422-427BAK1 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| ST7M254-427-3 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 7427MT160-T | 5/9 Secondary reference Greene Tweed & Co Inc |
| 10116818 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7427MT160-T | 5/9 Secondary reference Palmetto Inc |
| 7427MT160-T | 5/9 Secondary reference Greene Tweed and Co Advantec Div |
NSN 5330-01-175-3776 is a Packing Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-175-3776 has 2 manufacturer part numbers on file: S38422-427BAK1 (Trelleborg Sealing Solutions Us, Inc.), ST7M254-427-3 (The Boeing Company Div Defense).
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.