The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-374-8144, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-374-8144 |
| Primary Part Number | 59X4 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | CANCELLED |
| Casehardening Indicator | NOT CASEHARDENED |
| Screw Thread Series Designator | UNF |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Smallest Inside Diameter | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Thread Direction | RIGHT-HAND |
| Tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Fabrication Method | BAR STOCK, MACHINED |
| Thread Size | 1/2-20 |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 87F | Imperial (USA) |
| B9243A1 | Ford Motor Company (USA) |
| 503570 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 215993 | Corbitt Co Inc (USA) |
| 504396 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 25UUA0454 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| K15993 | White Motor Corp (USA) |
| 698556R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| B9243A1 | Ford Motor Co Ford Parts and Service Div Government Part Sales (USA) |
| 59X4 | Dana Corp Weatherhead Div (USA) |
| 59X4 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 7740795 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| B9243A2 | Ford Motor Company (USA) |
| B9243A2 | Ford Motor Co Ford Parts and Service Div Government Part Sales (USA) |
| 1B87F14 | Imperial (USA) |
NSN 4730-00-374-8144 is a Inverted Nut,tube Coupling, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-374-8144 has 15 cross-referenced part numbers: 87F (Imperial), B9243A1 (Ford Motor Company), 503570 (U S Army Tank Automotive Command Amsta-Im-Mm), 215993 (Corbitt Co Inc), 504396 (U S Army Tank Automotive Command Amsta-Im-Mm) and 10 more.
There are 5 known substitutes for 4730-00-374-8144: 5999-00-197-2960, 2915-00-586-8535, 2840-00-939-3380 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 59X4: Casehardening Indicator: NOT CASEHARDENED; Screw Thread Series Designator: UNF; Width Across Flats: 0.500 INCHES NOMINAL IN; Special Features: FURNISHED W/BRASS COMPRESSION SLEEVE PRESS FIT IN NUT. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-374-8144 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.