The Adapter Bushing, cataloged under National Stock Number 4730-01-152-3146, 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 Kovatch Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-152-3146 |
| Primary Part Number | K-500-CH-1290 |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Male End Thread Size | 1/2-14 |
| Female End Thread Length | 0.438 INCHES NOMINAL IN |
| Female End Thread Class | 2B |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 9/16-18 |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | NPT |
| Female End Screw Thread Series Designator | UNF |
| Male End Thread Class | 2A A |
| Female End Thread Direction | RIGHT-HAND |
| Material | COPPER ALLOY |
| Male End Thread Length | 0.750 INCHES NOMINAL IN |
| Thickness | 0.250 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 |
|---|---|
| K-500-CH-1290 PRIMARY | Kovatch Corp. (USA) |
| Reference | Meaning |
|---|---|
| 63AX 140 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-152-3146 is a Adapter Bushing, manufactured by Kovatch Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-152-3146 has 1 manufacturer part number on file: K-500-CH-1290 (Kovatch Corp.).
Key specifications for K-500-CH-1290: Width Across Flats: 0.875 INCHES NOMINAL IN; Male End Thread Size: 1/2-14; Female End Thread Length: 0.438 INCHES NOMINAL 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.