The Adapter Bushing, cataloged under National Stock Number 4730-01-142-9075, 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 Martin-Baker Aircraft Company Limited. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-142-9075 |
| Primary Part Number | MBEU-66201 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Width Across Flats | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Male End Thread Size | 1/4-20 |
| Female End Thread Length | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Female End Thread Class | 2B |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 0.112-40 |
| Wrenching Facility Shape | SQUARE |
| Male End Screw Thread Series Designator | UNF |
| Female End Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | COPPER ALLOY |
| Male End Thread Length | 0.308 INCHES NOMINAL IN |
| Thickness | 0.062 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MBEU-66201 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 4730-01-142-9075 is a Adapter Bushing, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-142-9075 has 1 manufacturer part number on file: MBEU-66201 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-66201: Width Across Flats: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Male End Thread Size: 1/4-20; Female End Thread Length: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Female End Thread Class: 2B. 14 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.