The Gasket, cataloged under National Stock Number 5330-00-052-8221, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-052-8221 |
| Primary Part Number | 3242958 |
| 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 | 0.062 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | FIBRE OR COMPOSITION WITH WIRE INSERT |
| Outside Diameter | 7.687 INCHES NOMINAL IN |
| Aperture Diameter | 4.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 6.562 INCHES NOMINAL IN |
| Material | COPPER ALLOY AND COPPER AND RUBBER AND COPPER ALLOY OR RUBBER BUTADIENE-STYRENE CLASS SBR AND COPPER OR COPPER ALLOY OVERALL |
| Hole Diameter | 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 3242958 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 3242958 | 5/9 Secondary reference General Motors Corp |
| 3242958 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3242958 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 5330-00-052-8221 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 5330-00-052-8221 has 1 manufacturer part number on file: 3242958 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 3242958: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: FIBRE OR COMPOSITION WITH WIRE INSERT; Outside Diameter: 7.687 INCHES NOMINAL IN. 9 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.