The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-044-1640, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-044-1640 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HOSE SOCKET |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.690 INCHES SECOND END IN |
| Nominal Overall Length | 2.660 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | -40.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 200.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2B FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF 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 |
| Reference | Meaning |
|---|---|
| 21242-6-6 | 3/2 Design control — primary reference U.S. Government activity |
| 21242-6-6 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-044-1640 is a Adapter,straight,tube to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-044-1640: Furnished Items and Quantity: 1 HOSE SOCKET; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES SECOND END IN. 18 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.