The Nut,tube Coupling, cataloged under National Stock Number 4730-00-203-7261, 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 14 commercial cross-references from 9 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 | 4730-00-203-7261 |
| Primary Part Number | AS5206-12 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Nominal Tube Outside Diameter | 0.750 INCHES IN |
| Seat Angle | 33.00 DEGREES NOMINAL |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.756 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Nominal Thread Size | 1.062 INCHES IN |
| Thread Series | UN |
| Nut Height | 1.656 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Surface Treatment | CADMIUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS5206-12 | Society of Automotive Engineers Inc (USA) |
| AS5206 | Sae International Dba Sae International (USA) |
| SAE-AS4841 | Sae International Dba Sae International (USA) |
| AS5206 | Society of Automotive Engineers Inc (USA) |
| AN817-12 | Collins Engineering Corp (USA) |
| AS4841 | Society of Automotive Engineers Inc (USA) |
| AN817-12 | Crown Fitting Co Inc (USA) |
| AS4841 | Sae International Dba Sae International (USA) |
| AS5206-12 PRIMARY | Sae International Dba Sae International (USA) |
| AN817-12 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN817-12 | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| AN817-12 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AN817-12 | Acra Aerospace, Llc (USA) |
| AN817-12 | Mowrey, W E Co (USA) |
NSN 4730-00-203-7261 is a Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-203-7261 has 14 cross-referenced part numbers: AS5206-12 (Society of Automotive Engineers Inc), AS5206 (Sae International Dba Sae International), SAE-AS4841 (Sae International Dba Sae International), AS5206 (Society of Automotive Engineers Inc), AN817-12 (Collins Engineering Corp) and 9 more.
There are 6 known substitutes for 4730-00-203-7261: 4730-00-433-3191, 4730-00-433-3192, 4730-00-639-9866 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS5206-12: Material: STEEL OVERALL; Nominal Tube Outside Diameter: 0.750 INCHES IN; Seat Angle: 33.00 DEGREES NOMINAL; Width Across Flats: 1.250 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.