The Nut,tube Coupling, cataloged under National Stock Number 4730-00-401-3713, 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 Liftking Manufacturing Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-401-3713 |
| Primary Part Number | A318 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Liftking Manufacturing Corp |
| Status | CANCELLED |
| Nominal Tube Outside Diameter | 0.625 INCHES IN |
| Thread Class | 2B |
| Thread Series | UNF |
| Fabrication Method | MACHINED |
| Nominal Thread Size | 0.875 INCHES IN |
| Smallest Inside Diameter | 0.698 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 14 |
| Length to Shoulder | 0.817 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Nut Height | 0.970 INCHES NOMINAL IN |
| Seat Angle | 37.0 DEGREES NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11240409-5 | Ballistic Missile Defense Systems Command (USA) |
| 3-2149-7 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| A318 PRIMARY | Liftking Manufacturing Corp (CAN) |
| 11240409 | Ballistic Missile Defense Systems Command (USA) |
| 10BTX-B | Parker-Hannifin Corp Fluidpower Group Mobile Hydraulics Div (USA) |
| 10BTXB | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 10BTXB PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 7165132P3 | Mpd Components, Inc. (USA) |
| B-1012-1 PRIMARY | Swagelok Co (USA) |
| 717899-303 | Raytheon Company Div Rmd Strategic (USA) |
| 10BTX-B | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
NSN 4730-00-401-3713 is a Nut,tube Coupling, manufactured by Liftking Manufacturing Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-401-3713 has 11 cross-referenced part numbers: 11240409-5 (Ballistic Missile Defense Systems Command), 3-2149-7 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), A318 (Liftking Manufacturing Corp), 11240409 (Ballistic Missile Defense Systems Command), 10BTX-B (Parker-Hannifin Corp Fluidpower Group Mobile Hydraulics Div) and 6 more.
There are 12 known substitutes for 4730-00-401-3713: 4730-00-307-4710, 4730-00-555-2895, 4730-00-618-8589 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A318: Nominal Tube Outside Diameter: 0.625 INCHES IN; Thread Class: 2B; Thread Series: UNF; Fabrication Method: MACHINED. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-401-3713 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.