The Gasket, cataloged under National Stock Number 5330-00-291-6741, 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. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-291-6741 |
| Primary Part Number | 3388571 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.156 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | HH-C-576 TY 3A CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.438 INCHES NOMINAL IN |
| Aperture Diameter | 2.375 INCHES NOMINAL IN |
| Material | CORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL |
| 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 |
|---|---|
| 3388571 | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 80609445 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| HHC576 | 4/1 Identification reference U.S. Government activity |
| 3388571 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 81127S4105-1030200 | 3/2 Design control — primary reference U.S. Government activity |
| 3388571 | 5/9 Secondary reference General Motors Corp |
| 3388571AN | 5/9 Secondary reference General Motors Corp |
| 3388571AN | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5330-00-291-6741 is a Gasket, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-6741 has 1 manufacturer part number on file: 3388571 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-297-6197. Verify interchangeability with system specifications before substitution.
Key specifications for 3388571: Cross-Sectional Thickness: 0.156 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: HH-C-576 TY 3A CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.