The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-01-045-6400, 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 General Electric Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-045-6400 |
| Primary Part Number | R310P58 |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Screw Thread Series Designator | UNF |
| Smallest Inside Diameter | 0.425 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 0.475 INCHES NOMINAL IN |
| Width Across Flats | 0.803 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Style Designator | INVERTED NUT, TUBE, COMPRESSION |
| Seat Radius | 0.475 INCHES NOMINAL IN |
| Thread Size | 3/4-16 |
| Thread Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R310P58 PRIMARY | General Electric Company (USA) |
| 4730PL0725811 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| R310 | General Electric Company (USA) |
NSN 4730-01-045-6400 is a Inverted Nut,tube Coupling, manufactured by General Electric Company, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-045-6400 has 3 cross-referenced part numbers: R310P58 (General Electric Company), 4730PL0725811 (Jednolity Indeks Materialowy - Uniform Material Index), R310 (General Electric Company).
There are 6 known substitutes for 4730-01-045-6400: 1680-00-340-5370, 5310-00-571-6395, 2530-00-574-8199 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for R310P58: Overall Length: 0.906 INCHES NOMINAL IN; Screw Thread Series Designator: UNF; Smallest Inside Diameter: 0.425 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.475 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.