The Seal,plain, cataloged under National Stock Number 5330-01-377-7289, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Seal,plain |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (CAGE 39VG9); Engine Systems, Inc. Dba Marine Systems Div Marine Systems, Inc. (CAGE 6Y051); Engine Systems, Inc. (CAGE 16505) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-377-7289 |
| Primary Part Number | 40017341 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 40017341 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| 40017341 | Engine Systems, Inc. Dba Marine Systems Div Marine Systems, Inc. (USA) |
| 40017341 | Engine Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 40017341 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5330-01-377-7289 is a Seal,plain, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-377-7289 has 3 manufacturer part numbers on file: 40017341 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), 40017341 (Engine Systems, Inc. Dba Marine Systems Div Marine Systems, Inc.), 40017341 (Engine Systems, Inc.).
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.