The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-234-3260, 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 Oshkosh Defense Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-234-3260 |
| Primary Part Number | 2CX663 |
| Item Name | Adapter,straight,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (PIPE) FIRST END |
| Connection Style | CRIMPED (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.190 INCHES SECOND END IN |
| Nominal Overall Length | 3.070 INCHES IN |
| Connection Type | UNTHREADED INTERNAL HOSE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 2CX663 PRIMARY | Oshkosh Defense Llc (USA) |
| 12U112 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2CX663 | 5/9 Secondary reference Oshkosh Corp |
| 200634 | 5/9 Secondary reference Oshkosh Corp |
| 10143-12-12 | 5/9 Secondary reference U.S. Government activity |
| EA12-12MB | 5/9 Secondary reference Imperial Pipe and Fittings Inc |
| 53-0230-012 | C/1 Advisory reference — outside the item-of-supply concept Pierce Manufacturing Inc |
| 12U112 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 10143-12-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-234-3260 is a Adapter,straight,pipe to Hose, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-234-3260 has 2 manufacturer part numbers on file: 2CX663 (Oshkosh Defense Llc), 12U112 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-377-0579. Verify interchangeability with system specifications before substitution.
Key specifications for 2CX663: Connection Style: INVERTED FLARE (PIPE) FIRST END; Connection Style: CRIMPED (HOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.750 INCHES SECOND END IN; Nominal Outside Diameter Hose Accommodated: 1.190 INCHES SECOND END IN. 11 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.