The Nut,tube Coupling, cataloged under National Stock Number 4730-00-639-9866, 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 Sae International Dba Sae International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 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 | 4730-00-639-9866 |
| Primary Part Number | AS5206-02 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 24 |
| Thread Series | UNF |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Seat Angle | 33.00 DEGREES NOMINAL |
| Nut Height | 0.844 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.125 INCHES IN |
| Nut Style | TUBE COUPLING |
| Smallest Inside Diameter | 0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS5206 | Society of Automotive Engineers Inc (USA) |
| AS4841 | Sae International Dba Sae International (USA) |
| AS5206-02 | Society of Automotive Engineers Inc (USA) |
| AS5206-02 PRIMARY | Sae International Dba Sae International (USA) |
| AS4841 | Society of Automotive Engineers Inc (USA) |
| AN817-2 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| SAE-AS4841 | Sae International Dba Sae International (USA) |
| AS5206 | Sae International Dba Sae International (USA) |
NSN 4730-00-639-9866 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-639-9866 has 8 cross-referenced part numbers: AS5206 (Society of Automotive Engineers Inc), AS4841 (Sae International Dba Sae International), AS5206-02 (Society of Automotive Engineers Inc), AS5206-02 (Sae International Dba Sae International), AS4841 (Society of Automotive Engineers Inc) and 3 more.
There are 6 known substitutes for 4730-00-639-9866: 4730-00-203-7261, 4730-00-433-3191, 4730-00-433-3192 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS5206-02: Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL; Thread Quantity Per Inch: 24; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.