The Crankcase, cataloged under National Stock Number 2815-01-522-5226, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Bauer Compressors, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2815-01-522-5226 |
| Primary Part Number | 056535 |
| Item Name | Crankcase |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Bauer Compressors, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 056535 PRIMARY | Bauer Compressors, Inc. (USA) |
NSN 2815-01-522-5226 is a Crankcase, manufactured by Bauer Compressors, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-522-5226 has 1 manufacturer part number on file: 056535 (Bauer Compressors, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-603-8757. Verify interchangeability with system specifications before substitution.
Key specifications for 056535: Part Name Assigned by Controlling Agency: UPPER CRANKCASE ASSEMBLY; End Item Identification: BREATHING AIR COMPRESSOR. 0 specifications are 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.