The Breather, cataloged under National Stock Number 3040-01-439-0610, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-439-0610 |
| Primary Part Number | NBF-2015 |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Flow Ezy Filters Inc |
| Status | ACTIVE |
| Outside Diameter | 3.375 INCHES MAXIMUM IN |
| Connection Type | THREADED |
| Thread Size and Series/type Designator | 11/4-111/2 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 |
|---|---|
| 2D3-05193 ITEM 6 | Lake Shore Systems, Inc. (USA) |
| NBF-2015 PRIMARY | Flow Ezy Filters Inc (USA) |
| 2D3-05192 ITEM NO. 16 | Lake Shore Systems, Inc. (USA) |
NSN 3040-01-439-0610 is a Breather, manufactured by Flow Ezy Filters Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-439-0610 has 3 manufacturer part numbers on file: 2D3-05193 ITEM 6 (Lake Shore Systems, Inc.), NBF-2015 (Flow Ezy Filters Inc), 2D3-05192 ITEM NO. 16 (Lake Shore Systems, Inc.).
Key specifications for NBF-2015: Overall Height: 2.125 INCHES MAXIMUM IN; Outside Diameter: 3.375 INCHES MAXIMUM IN; Connection Type: THREADED; Special Features: MATERIAL:NYLON. 3 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.