The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-278-5490, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 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 | 4730-00-278-5490 |
| Primary Part Number | 6100X2 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | CANCELLED |
| Style Designator | INVERTED NUT, TUBE, COMPRESSION |
| Criticality Code Justification | FEAT |
| Thread Size | 5/16-24 |
| Smallest Inside Diameter | 0.128 INCHES NOMINAL IN |
| Width Across Flats | 0.313 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Seat Radius | 0.219 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Tube Outside Diameter for Which Designed | 0.125 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6100X2 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 181D1-8 | Imperial (USA) |
| 106-10002 | Dana Corp Weatherhead Div (USA) |
| X1086T38 | Ingersoll Rand Co (USA) |
| 121634 | General Motors Corp (USA) |
| 2-050110 | Parker Hannifin Corp Hose Products Div (USA) |
| 2-050110 | Rolls-Royce Solutions America Inc (USA) |
| 81TS-2 | Parker-Hannifin Corp Div Fluid System Connector Division (USA) |
| 106-10102 | Dana Corp Warehouse Opns Fort Wayne Warehouse (USA) |
| 2-050110 | General Motors Corp (USA) |
| 2-050110 | Diamond Reo Truck Co (USA) |
| 6100X2 | Dana Corp Weatherhead Div (USA) |
| 2-050110 | Imperial (USA) |
| 2-050110 | Dana Corp Weatherhead Div (USA) |
| 2-050110 | Dana Corp Warehouse Opns Fort Wayne Warehouse (USA) |
| 2-050110 | Society of Automotive Engineers Inc (USA) |
| 2-050110 | Ingersoll Rand Co (USA) |
NSN 4730-00-278-5490 is a Inverted Nut,tube Coupling, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-278-5490 has 17 cross-referenced part numbers: 6100X2 (Danfoss Power Solutions II, Llc), 181D1-8 (Imperial), 106-10002 (Dana Corp Weatherhead Div), X1086T38 (Ingersoll Rand Co), 121634 (General Motors Corp) and 12 more.
There are 5 known substitutes for 4730-00-278-5490: 5905-00-283-7448, 3040-00-392-1863, 5310-00-569-1890 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6100X2: Style Designator: INVERTED NUT, TUBE, COMPRESSION; Criticality Code Justification: FEAT; Thread Size: 5/16-24; Overall Length: 0.500 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-278-5490 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.