The Breather, cataloged under National Stock Number 3040-01-359-8307, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Arrow Pneumatics Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-359-8307 |
| Primary Part Number | ASP 2BV-20 |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Arrow Pneumatics Inc |
| Status | ACTIVE |
| Connection Type | THREADED |
| Body Material | COPPER ALLOY |
| Thread Size and Series/type Designator | 1/4-18 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 |
|---|---|
| ASP 2BV-20 | Arrow Pneumatics Inc (USA) |
| ASP 2BV-20 PRIMARY | Arrow Pneumatics Inc (USA) |
| Reference | Meaning |
|---|---|
| SW 27122 | 7/2 Vendor item drawing reference U.S. Government activity |
| ASP-2BV-7/16-20 | 5/9 Secondary reference Arrow Pneumatics Inc |
| ASP 2BV-7/16-20 | 5/9 Secondary reference Arrow Pneumatics Inc |
NSN 3040-01-359-8307 is a Breather, manufactured by Arrow Pneumatics Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-359-8307 has 2 manufacturer part numbers on file: ASP 2BV-20 (Arrow Pneumatics Inc), ASP 2BV-20 (Arrow Pneumatics Inc).
Key specifications for ASP 2BV-20: Connection Type: THREADED; Overall Length: 1.000 INCHES NOMINAL IN; Body Material: COPPER ALLOY; Special Features: 0.560 IN.HEX 25 NICRON FILTER IN. 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.