The Filter,fluid, cataloged under National Stock Number 2940-01-440-5835, 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 Dutton-Lainson Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-440-5835 |
| Primary Part Number | 595 |
| Item Name | Filter,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Dutton-Lainson Company |
| Status | ACTIVE |
| Filtration Rating in Microns | 10.0 ABSOLUTE |
| First Intake Nominal Thread Size | 1.000 INCHES IN |
| First Intake Thread Series Designator | NPTF |
| Design Type | LIMITED |
| Temp Rating | 150.0 FAHRENHEIT MAXIMUM DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Height | 5.000 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE HEAD SIDE |
| Style Designator | TEE TYPE (HYDRAULIC) |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Filtering Element Quantity | 1 |
| Body Length | 3.750 INCHES NOMINAL IN |
| Filtering System for Which Designed | FULL FLOW |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Material | ZINC BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| F-7014ASM ITEM 7 | Mohawk Mfg Corp (USA) |
| 595 PRIMARY | Dutton-Lainson Company (USA) |
| 4833K26 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 4833K25 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 2940-01-440-5835 is a Filter,fluid, manufactured by Dutton-Lainson Company, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-440-5835 has 3 manufacturer part numbers on file: F-7014ASM ITEM 7 (Mohawk Mfg Corp), 595 (Dutton-Lainson Company), 4833K26 (Mcmaster-Carr Supply Co).
Key specifications for 595: Filtration Rating in Microns: 10.0 ABSOLUTE; First Intake Nominal Thread Size: 1.000 INCHES IN; First Intake Thread Series Designator: NPTF; Design Type: LIMITED. 17 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.