The Breather, cataloged under National Stock Number 4310-01-260-0619, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Arrow Pneumatics 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-260-0619 |
| Primary Part Number | ASP-1BV |
| Item Name | Breather |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Arrow Pneumatics Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED |
| Body Material | COPPER ALLOY |
| Thread Size and Series/type Designator | 1/8-27 NPT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| ASP-1BV PRIMARY | Arrow Pneumatics Inc (USA) |
| Reference | Meaning |
|---|---|
| ASP1BV | 5/9 Secondary reference Norgren C a Co |
NSN 4310-01-260-0619 is a Breather, manufactured by Arrow Pneumatics Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-260-0619 has 1 manufacturer part number on file: ASP-1BV (Arrow Pneumatics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-543-5018, 4130-01-624-6966. Verify interchangeability with system specifications before substitution.
Key specifications for ASP-1BV: Criticality Code Justification: FEAT; Connection Type: THREADED; Body Material: COPPER ALLOY; Special Features: WEAPON SYSTEM ESSENTIAL. 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.