The Nut,tube Coupling, cataloged under National Stock Number 4730-00-189-2736, 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 Mueller Brass Co.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-2736 |
| Primary Part Number | A5238 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mueller Brass Co. |
| Status | CANCELLED |
| Fabrication Method | FORGED |
| Thread Direction | RIGHT-HAND |
| Smallest Inside Diameter | 0.192 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.188 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Thread Quantity Per Inch | 24 |
| Thread Series | UNF |
| Nondefinitive Spec/std Data | 34 FIGURE AND 9 TABLE AND SHORT TYPE AND 3/16 SIZE |
| Material | COPPER ALLOY OVERALL |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 34 FIGURE AND 9 TABLE AND SHORT TYPE AND 3/16 SIZE |
| Smallest Inside Diameter | 0.192 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Nominal Tube Outside Diameter | 0.188 INCHES IN |
| Nut Height | 0.531 INCHES NOMINAL IN |
| Seat Angle | 45.00 DEGREES NOMINAL |
| Thread Series | UNF |
| Nut Style | TUBE COUPLING |
| Nut Style | TUBE COUPLING |
| Thread Class | 2B |
| Nut Height | 0.531 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54347 | Mueller Brass Co. (USA) |
| 15-02-8025 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| A5238 PRIMARY | Mueller Brass Co. (USA) |
| SAE J513 3 010166B PRIMARY | Sae International Dba Sae International (USA) |
| J513 | Sae International Dba Sae International (USA) |
| 3-010166B | Sae International Dba Sae International (USA) |
| SAE-J513 | Sae International Dba Sae International (USA) |
| J513 | Society of Automotive Engineers Inc (USA) |
| 3-010166B | Society of Automotive Engineers Inc (USA) |
NSN 4730-00-189-2736 is a Nut,tube Coupling, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-189-2736 has 9 cross-referenced part numbers: 54347 (Mueller Brass Co.), 15-02-8025 (Electric Boat Corporation Div General Dynamics Electric Boat), A5238 (Mueller Brass Co.), SAE J513 3 010166B (Sae International Dba Sae International), J513 (Sae International Dba Sae International) and 4 more.
There are 4 known substitutes for 4730-00-189-2736: 3110-00-227-4718, 5977-00-280-4388, 5970-01-008-6741 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A5238: Fabrication Method: FORGED; Thread Direction: RIGHT-HAND; Smallest Inside Diameter: 0.192 INCHES NOMINAL IN; Nominal Tube Outside Diameter: 0.188 INCHES IN. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-189-2736 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.