The Nut,tube Coupling, cataloged under National Stock Number 4730-00-189-2739, 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 Corp Div Fluid System Connector Division. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-2739 |
| Primary Part Number | 14FSX-6 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corp Div Fluid System Connector Division |
| Status | CANCELLED |
| Thread Series | UNF |
| Width Across Flats | 0.813 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 18 |
| Length to Shoulder | 0.500 INCHES NOMINAL IN |
| Width Across Flats | 0.813 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material Document and Classification | QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Thread Quantity Per Inch | 18 |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Material | COPPER ALLOY 377 OVERALL |
| Specification/standard Data | 96906-MS35872 GOVERNMENT STANDARD AND 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | COPPER ALLOY 377 OVERALL |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Nut Style | TUBE COUPLING |
| Length to Shoulder | 0.500 INCHES NOMINAL IN |
| Smallest Inside Diameter | 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Height | 0.690 INCHES NOMINAL IN |
| Fabrication Method | FORGED |
| Nominal Thread Size | 0.625 INCHES IN |
| Material Document and Classification | QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Smallest Inside Diameter | 0.380 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 36A FIGURE A |
| Nominal Tube Outside Diameter | 0.375 INCHES IN |
| Thread Class | 2B |
| Specification/standard Data | 96906-MS35872 GOVERNMENT STANDARD AND 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nut Height | 0.690 INCHES NOMINAL IN |
| Nut Style | TUBE COUPLING |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35872-3 | Unifab Industries Inc (USA) |
| 41FS | Prior Don Inc (USA) |
| L1173 | Clayton Manufacturing Company (USA) |
| A5052 | Mueller Brass Co. (USA) |
| BM11383-114 | Demarkus Corp Refrigeration Engineering Corp (USA) |
| 14FSX-6 PRIMARY | Parker-Hannifin Corp Div Fluid System Connector Division (USA) |
| SAE-J513 | Sae International Dba Sae International (USA) |
| 060P04 | Hartford Compressors Inc (USA) |
| 641FSNS4-6 | Imperial (USA) |
| 14FS-6 | Parker-Hannifin Corp Div Fluid System Connector Division (USA) |
| 334565P01 | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| MS35872-3 | Mueller Brass Co. (USA) |
| MS35872-3 | Imperial (USA) |
| MD35872-3 | Imperial (USA) |
| 48-482-00-27 | Reed Industries Inc Victor Products Div (USA) |
| 334565P01 | Meggitt Defense Systems, Inc. Dba Meggitt Western Design (USA) |
| 6 010166(NS4) | Sae International Dba Sae International (USA) |
| 121758 | General Motors Corp Balance Engineering Activity (USA) |
| MS35872-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 334565P01 | Howden Fluid Systems (USA) |
NSN 4730-00-189-2739 is a Nut,tube Coupling, manufactured by Parker-Hannifin Corp Div Fluid System Connector Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-189-2739 has 25 cross-referenced part numbers: MS35872-3 (Unifab Industries Inc), 41FS (Prior Don Inc), L1173 (Clayton Manufacturing Company), A5052 (Mueller Brass Co.), BM11383-114 (Demarkus Corp Refrigeration Engineering Corp) and 20 more.
There are 7 known substitutes for 4730-00-189-2739: 6110-00-168-8679, 4730-00-407-4896, 1680-00-554-6592 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 14FSX-6: Thread Series: UNF; Width Across Flats: 0.813 INCHES NOMINAL IN; Thread Series: UNF; Thread Quantity Per Inch: 18. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-189-2739 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.