The Union,tube, cataloged under National Stock Number 4730-01-290-3846, 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 Fruehauf Corp Fruehauf Trailer Opns. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-290-3846 |
| Primary Part Number | TKG2339-1 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fruehauf Corp Fruehauf Trailer Opns |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | THREADED |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| TKG2339-1 | Fruehauf Corp Fruehauf Trailer Opns (USA) |
| Reference | Meaning |
|---|---|
| TKG0731 | D/9 Drawing number reference only Fruehauf Corp Fruehauf Trailer Opns |
| VKA3849 | 3/9 Design control — primary reference Fruehauf Corp Fruehauf Trailer Opns |
| TKG2239-1 | 5/9 Secondary reference Direct Line, Inc |
NSN 4730-01-290-3846 is a Union,tube, manufactured by Fruehauf Corp Fruehauf Trailer Opns, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-290-3846 has 1 manufacturer part number on file: TKG2339-1 (Fruehauf Corp Fruehauf Trailer Opns).
Key specifications for TKG2339-1: Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: THREADED; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN. 5 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.