The Adapter Bushing, cataloged under National Stock Number 4730-01-044-9057, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-044-9057 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Female End Characteristic | COUNTERSUNK |
| Counterbore/countersink Location | WRENCHING HEAD END |
| Male End Thread Size | 5/8-18 |
| Female End Thread Length | 1.111 INCHES NOMINAL IN |
| Female End Thread Class | 3B |
| Diameter | 0.320 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 5/16-24 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Chamfer Angle in Deg | 110.0 LOCATION NOT OTHERWISE SPECIFIED |
| Female End Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Male End Thread Class | 3A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | ALUMINUM ALLOY 2024 |
| Male End Thread Length | 0.915 INCHES NOMINAL IN |
| Thickness | 0.190 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 14-28773-1 | 3/9 Design control — primary reference Northrop Pacific Inc Sub of Northrop Corp |
NSN 4730-01-044-9057 is a Adapter Bushing, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-044-9057: Width Across Flats: 1.000 INCHES NOMINAL IN; Female End Characteristic: COUNTERSUNK; Counterbore/countersink Location: WRENCHING HEAD END; Male End Thread Size: 5/8-18. 18 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.