The Parts Kit,crankcase Valve, cataloged under National Stock Number 2815-00-008-4853, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-008-4853 |
| Primary Part Number | 8379503 |
| Item Name | Parts Kit,crankcase Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 2 GASKET,1 DIAPHRAGM AND PLATE ASSEMBLY,2 SPRINGS,7 0-RINGS,AND 3 BALLS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2815-00-008-4853 is a Parts Kit,crankcase Valve, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-008-4853 has 2 manufacturer part numbers on file: 8379503 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc), PM315 (Prime Mfg Corp).
1 possible match (shared part number, not a government interchangeability claim): 3990-00-353-6354. Verify interchangeability with system specifications before substitution.
Key specifications for 8379503: General Characteristics Item Description: CONSISTS OF 2 GASKET,1 DIAPHRAGM AND PLATE ASSEMBLY,2 SPRINGS,7 0-RINGS,AND 3 BALLS; End Item Identification: LOGISTICS SUPPORT VESSEL (LSV). 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.