The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-018-9045, 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 Hydrasearch Company, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-018-9045 |
| Primary Part Number | FH9537-2024-4 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.250 INCHES SECOND END IN |
| Connection Style | STREAMLINED W/ ONE BRAZING RING (PIPE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 2.880 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN 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 |
|---|---|
| FH9537-2024-4 PRIMARY | Hydrasearch Company, Llc (USA) |
| CMC-4-24C-1-1/4-FSB/W | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-202242-1-1/4-24 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| FH9537-2024-4 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
| CMC4-24C-20FSB | 5/9 Secondary reference Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| 4-202242-1 1-4- | C/1 Advisory reference — outside the item-of-supply concept Danfoss Power Solutions II, Llc |
NSN 4730-01-018-9045 is a Adapter,straight,pipe to Tube, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-018-9045 has 2 manufacturer part numbers on file: FH9537-2024-4 (Hydrasearch Company, Llc), CMC-4-24C-1-1/4-FSB/W (Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc).
Key specifications for FH9537-2024-4: Nominal Pipe Size Accommodated: 1.250 INCHES SECOND END IN; Connection Style: STREAMLINED W/ ONE BRAZING RING (PIPE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Overall Length: 2.880 INCHES IN. 13 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.