The Drain,bleed Air Fwd, cataloged under National Stock Number 4730-01-616-1554, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-616-1554 |
| Primary Part Number | 4-1-8-95 |
| Item Name | Drain,bleed Air Fwd |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| PL-G590380AA REV B ITEM NO. 1 | Bird-Johnson Propeller Company, Llc (USA) |
| 4-1-8-95 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| NMM200241 | 5/9 Secondary reference Bird-Johnson Propeller Company, Llc |
NSN 4730-01-616-1554 is a Drain,bleed Air Fwd, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-616-1554 has 2 manufacturer part numbers on file: PL-G590380AA REV B ITEM NO. 1 (Bird-Johnson Propeller Company, Llc), 4-1-8-95 (Bird-Johnson Propeller Company, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-644-8985, 5930-01-716-0357. Verify interchangeability with system specifications before substitution.
Key specifications for 4-1-8-95: End Item Identification: DRAIN SYSTEM. 0 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.