The Filter Body,intake Air Cleaner, cataloged under National Stock Number 2940-01-497-5105, 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 Mcmaster-Carr Supply Co. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-497-5105 |
| Primary Part Number | 4401K18 |
| Item Name | Filter Body,intake Air Cleaner |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Body Diameter | 6.000 INCHES NOMINAL IN |
| Body Overall Length | 5.000 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 2.000 INCHES IN |
| First Intake Thread Series Designator | NPT |
| First Intake Thread Direction | RIGHT-HAND |
| First Intake Connection Type | THREADED EXTERNAL PIPE BOTTOM |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Thread Direction | RIGHT-HAND |
| Body Inside Diameter | 3.625 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | AIR |
| Material | STEEL AND POLYESTER (USE PCY000) BODY |
| Mounting Type | INLET CONNECTION BOTTOM |
| 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 |
|---|---|
| 4401K18 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 2940-01-497-5105 is a Filter Body,intake Air Cleaner, manufactured by Mcmaster-Carr Supply Co, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-497-5105 has 1 manufacturer part number on file: 4401K18 (Mcmaster-Carr Supply Co).
Key specifications for 4401K18: Body Diameter: 6.000 INCHES NOMINAL IN; Body Overall Length: 5.000 INCHES NOMINAL IN; First Intake Nominal Thread Size: 2.000 INCHES IN; First Intake Thread Series Designator: NPT. 13 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.