The Filter Element,fluid, cataloged under National Stock Number 2940-01-186-0415, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-186-0415 |
| Primary Part Number | RV52 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Body Diameter | 3.688 INCHES NOMINAL IN |
| Body Overall Length | 4.375 INCHES NOMINAL IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/ INTEGRAL OUTER CASING |
| Nominal Thread Size | 0.625 INCHES IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2940-01-186-0415 is a Filter Element,fluid, manufactured by Wisconsin Motors, Llc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-186-0415 has 2 manufacturer part numbers on file: RV52 (Wisconsin Motors, Llc), 906538 (Curtiss-Wright Arresting Systems SAS).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-354-1451. Verify interchangeability with system specifications before substitution.
Key specifications for RV52: Body Diameter: 3.688 INCHES NOMINAL IN; Body Overall Length: 4.375 INCHES NOMINAL IN; Design Type: NONREUSABLE; Style Designator: CYLINDRICAL W/ INTEGRAL OUTER CASING. 6 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.