The Nut,tube Coupling, cataloged under National Stock Number 4730-00-618-8589, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 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 | 4730-00-618-8589 |
| Primary Part Number | 5BTX-B |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Nut Style | TUBE COUPLING |
| Material | COPPER ALLOY OR STEEL COMP 12L14 OVERALL |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Length to Shoulder | 0.579 INCHES NOMINAL IN |
| Seat Angle | 37.0 DEGREES NOMINAL |
| Nominal Tube Outside Diameter | 0.312 INCHES IN |
| Fabrication Method | MACHINED |
| Thread Class | 2B |
| Smallest Inside Diameter | 0.375 INCHES NOMINAL IN |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Nut Height | 0.670 INCHES NOMINAL IN |
| Thread Series | UNF |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 811BT5 | Air Corps Standards Under Custodianiship of the Air Force |
| 5BT | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 5BTX-B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 5BTXB | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| 5BTX-B | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 11240409-4 | Ballistic Missile Defense Systems Command (USA) |
| 11240409 | Ballistic Missile Defense Systems Command (USA) |
| J514 | Sae International Dba Sae International (USA) |
| 5100 | Buckeye Truck and Tractor Parts Inc (USA) |
| 5BTX | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| 5 070110B | Society of Automotive Engineers Inc (USA) |
| 10-0015 | Buckeye Truck and Tractor Parts Inc (USA) |
| 34665 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| 5BT | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| J514 | Society of Automotive Engineers Inc (USA) |
| 5 070110B | Sae International Dba Sae International (USA) |
NSN 4730-00-618-8589 is a Nut,tube Coupling, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-618-8589 has 16 cross-referenced part numbers: 811BT5 (Air Corps Standards Under Custodianiship of the Air Force), 5BT (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 5BTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 5BTXB (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 5BTX-B (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 11 more.
There are 12 known substitutes for 4730-00-618-8589: 4730-00-401-3713, 4730-00-555-2895, 4730-00-684-7252 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5BTX-B: Thread Direction: RIGHT-HAND; Nut Style: TUBE COUPLING; Material: COPPER ALLOY OR STEEL COMP 12L14 OVERALL; Nominal Thread Size: 0.500 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-618-8589 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.