The Breather, cataloged under National Stock Number 3040-01-379-9202, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Flow Ezy Filters Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-379-9202 |
| Primary Part Number | BF-2041 W/ST.ST.CAP |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Flow Ezy Filters Inc |
| Status | ACTIVE |
| Outside Diameter | 2.562 INCHES NOMINAL IN |
| Connection Type | THREADED |
| Body Material | PLASTIC |
| Thread Size and Series/type Designator | 1/2-14 NPT |
| 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 |
|---|---|
| BF-2041 W/ST.ST.CAP PRIMARY | Flow Ezy Filters Inc (USA) |
| Reference | Meaning |
|---|---|
| 11237-05 | D/9 Drawing number reference only Flow Ezy Filters Inc |
| BF-2041SC | 5/9 Secondary reference Flow Ezy Filters Inc |
| BF-2041 | C/1 Advisory reference — outside the item-of-supply concept Flow Ezy Filters Inc |
NSN 3040-01-379-9202 is a Breather, manufactured by Flow Ezy Filters Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-379-9202 has 1 manufacturer part number on file: BF-2041 W/ST.ST.CAP (Flow Ezy Filters Inc).
Key specifications for BF-2041 W/ST.ST.CAP: Overall Height: 3.000 INCHES NOMINAL IN; Outside Diameter: 2.562 INCHES NOMINAL IN; Connection Type: THREADED; Body Material: PLASTIC. 4 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.