The Adapter Bushing, cataloged under National Stock Number 4730-00-427-7639, 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 Blue Tee Corp. Dba Gefco. 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 | 4730-00-427-7639 |
| Primary Part Number | 2182F |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Blue Tee Corp. Dba Gefco |
| Status | ACTIVE |
| Male End Thread Pitch Diameters | +1.6759 TO 1.6859 INCHES IN |
| Width Across Flats | 1.875 INCHES NOMINAL IN |
| Male End Thread Size | 1.735 IN.-12 IN |
| Female End Thread Length | 1.875 INCHES NOMINAL IN |
| Female End Thread Class | 2B |
| Male End Thread Direction | RIGHT-HAND |
| Female End Thread Size | 1 IN.-9 IN |
| Wrenching Facility Shape | HEXAGON |
| Male End Screw Thread Series Designator | NONSTANDARD |
| Female End Screw Thread Series Designator | NONSTANDARD |
| Female End Thread Direction | RIGHT-HAND |
| Material | STEEL |
| Male End Thread Length | 1.625 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 |
|---|---|
| 2182F PRIMARY | Blue Tee Corp. Dba Gefco (USA) |
NSN 4730-00-427-7639 is a Adapter Bushing, manufactured by Blue Tee Corp. Dba Gefco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-427-7639 has 1 manufacturer part number on file: 2182F (Blue Tee Corp. Dba Gefco).
Key specifications for 2182F: Male End Thread Pitch Diameters: +1.6759 TO 1.6859 INCHES IN; Width Across Flats: 1.875 INCHES NOMINAL IN; Male End Thread Size: 1.735 IN.-12 IN; Female End Thread Length: 1.875 INCHES NOMINAL IN. 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.