The Base Assembly,air Cleaner Compos, cataloged under National Stock Number 2940-01-239-6552, 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 Kohler Co Engine Plant Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-239-6552 |
| Primary Part Number | 41-201-03 |
| Item Name | Base Assembly,air Cleaner Compos |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Kohler Co Engine Plant Div |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL 18 GA. (.048) LONG TERNESTEEL DRAWING QUALITY FULLY ALUMINUM KILLED COMERICAL COATING ASTM-A-308,TEMPER LAST LT .01 SMOOTH FINISH; BASE DIA IS 4.423 LG,0.80 IN DEEP,THREE HOLES .172 IN DIA EQUALLY SPACED; BRACKET MATERIAL NR14 GA. (0747) LOW CARBON C.R.S. COMMERCIAL QUALITY ASTM A-366 ONE HOLE .250 TO .260 DIA,1.50 IN LG,.50 IN WIDE; 2.250/2.156 BOLT LG,1.4INN 20 THREADS PER SQ IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2940-01-239-6552 is a Base Assembly,air Cleaner Compos, manufactured by Kohler Co Engine Plant Div, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-239-6552 has 2 manufacturer part numbers on file: 41-201-03 (Hancox Ltd), 41-201-03 (Kohler Co Engine Plant Div).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-615-9940. Verify interchangeability with system specifications before substitution.
Key specifications for 41-201-03: General Characteristics Item Description: MATERIAL 18 GA. (.048) LONG TERNESTEEL DRAWING QUALITY FULLY ALUMINUM KILLED COMERICAL COATING ASTM-A-308,TEMPER LAST LT .01 SMOOTH FINISH; BASE DIA IS 4.423 LG,0.80 IN DEEP,THREE HOLES .172 IN DIA EQUALLY SPACED; BRACKET MATERIAL NR14 GA. (0747) LOW CARBON C.R.S. COMMERCIAL QUALITY ASTM A-366 ONE HOLE .250 TO .260 DIA,1.50 IN LG,.50 IN WIDE; 2.250/2.156 BOLT LG,1.4INN 20 THREADS PER SQ IN. IN. 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.