The Adapter Bushing, cataloged under National Stock Number 4730-00-494-8136, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-494-8136 |
| Primary Part Number | 6329383-2 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Width Across Flats | 0.380 INCHES NOMINAL IN |
| Female End Characteristic | COUNTERBORED |
| Counterbore/countersink Location | EXTERNALLY THREADED END |
| Male End Thread Size | 1/4-28 |
| Female End Thread Length | 0.400 INCHES NOMINAL IN |
| Female End Thread Class | 2B |
| Diameter | 0.149 INCHES MINIMUM AND 0.159 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | NO. 6-32 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | UNF |
| Surface Treatment | ANODIZE |
| Depth | 0.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Female End Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | ALUMINUM ALLOY 6061 |
| Male End Thread Length | 0.750 INCHES MINIMUM IN |
| Thickness | 0.125 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 |
| Part Number | Manufacturer |
|---|---|
| 6329383-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 6329383 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 4730-00-494-8136 is a Adapter Bushing, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-494-8136 has 1 manufacturer part number on file: 6329383-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6329383-2: Width Across Flats: 0.380 INCHES NOMINAL IN; Female End Characteristic: COUNTERBORED; Counterbore/countersink Location: EXTERNALLY THREADED END; Male End Thread Size: 1/4-28. 19 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.