The Filter Element,fluid, cataloged under National Stock Number 2940-01-101-1546, 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 Eg and G Rotron Regenerative Blower Opns. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-101-1546 |
| Primary Part Number | 271078 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Eg and G Rotron Regenerative Blower Opns |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 4.500 INCHES NOMINAL IN |
| Body Overall Length | 5.000 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 3.344 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| 271078 PRIMARY | Eg and G Rotron Regenerative Blower Opns (USA) |
| Reference | Meaning |
|---|---|
| KC-271078 | D/9 Drawing number reference only U.S. Government activity |
| 271078 | 5/9 Secondary reference U.S. Government activity |
NSN 2940-01-101-1546 is a Filter Element,fluid, manufactured by Eg and G Rotron Regenerative Blower Opns, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-101-1546 has 1 manufacturer part number on file: 271078 (Eg and G Rotron Regenerative Blower Opns).
1 possible match (shared part number, not a government interchangeability claim): 6525-01-430-0231. Verify interchangeability with system specifications before substitution.
Key specifications for 271078: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 4.500 INCHES NOMINAL IN; Body Overall Length: 5.000 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN. 8 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.