Loc-Line 51804 3/8" NPT Connector for 1/2" Modular Hose, Pack of 4
Available
The 3/8" NPT connector for the 1/2" Loc-Line modular hose system (Lockwood Products, USA) is listed here as 3 variants: 51804 (pack of 4), 59864 (pack of 50) and 59864-BLK (pack of 50, black). Store colour option: 51804 orange and 59864 orange. The catalogue prints it in the connectors section of the 1/2" system. The 1/2" NPT connector (51805, 59865 and 59865-BLK) is the other NPT size in this system.
Line pressure, flow rate and acetal temperature figures for the 1/2" system are in the specification table (manufacturer-stated).
Where this product is used
- 1/2" system part for machine tool coolant supply: the catalogue says Loc-Line was made to apply liquid coolant at the point of contact between the cutting tool and the target metal (manufacturer-stated).
- Other uses the catalogue names: the electronic, scientific, graphic arts and woodworking industries, and any job needing adjustable directional flow of fluid, air or vacuum, or third arm positioning (manufacturer-stated).
Features
- 3/8" NPT connector for the 1/2" Loc-Line modular hose system
- Pack contents: 51804: (4) NPT connectors; 59864: (50) NPT connectors; 59864-BLK: (50) NPT connectors
- The catalogue prints -BLK (black), -G (grey) and -W (white) against the bulk number 59864 (manufacturer-stated)
- Black version in this listing: 59864-BLK (manufacturer-stated)
Common specifications
| Specification | Detail |
|---|---|
| System | 1/2" Loc-Line modular hose system |
| Part type | 3/8" NPT connector |
| Pack contents | 51804: (4) NPT connectors; 59864: (50) NPT connectors; 59864-BLK: (50) NPT connectors |
| Colour suffixes printed | -BLK (black), -G (grey) and -W (white) against 59864 (manufacturer-stated) |
| Colour (store colour option) | 51804: Orange; 59864: Orange |
| Line pressure, 1/2" system | 30 PSI standard; up to 75 PSI with element clamps on all joints, fully tightened (manufacturer-stated) |
| Flow rate, 1/2" system | 478 gal/hr (manufacturer-stated) |
| Acetal temperature data | Maximum operating temperature 170 °F, melting point 329 °F (manufacturer-stated) |
Key specifications
| Part number | Pack contents | Colour | Colour suffix |
|---|---|---|---|
| 51804 | (4) NPT connectors | Orange (store colour option) | none printed for this number |
| 59864 | (50) NPT connectors | Orange (store colour option) | base number; -BLK, -G, -W printed (manufacturer-stated) |
| 59864-BLK | (50) NPT connectors | Black | -BLK (manufacturer-stated) |
Pack contents and colour suffixes are taken from the Loc-Line catalogue (2019).
Selecting the right option
The catalogue lists an NPT and a BSPT connector for this size; this is the NPT connector. BSPT is British Standard Pipe Thread (catalogue footnote). Check the thread on your machine fitting before you choose. Pack quantities in this listing: pack of 4: 51804; pack of 50: 59864 and 59864-BLK. The catalogue prints -BLK (black), -G (grey) and -W (white) against the bulk number 59864 (manufacturer-stated); this listing includes the black version. Match the part to the hose system: a 1/2" system part does not fit hose from another system.
Related products
Same size, BSPT thread: 3/8" BSPT connectors. Other 1/2" system connectors: 1/2" NPT connectors and 1/2" BSPT connectors. Matching 1/2" system parts: 1/2" hose, 50 ft coil, 1/2" round nozzles, 1/2" male NPT valves and 1/2" assembly pliers. Acid resistant equivalent: acid resistant 3/8" NPT connectors.
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Black / 50
Model Number: 59864-BLK
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Orange / 4
Model Number: 51804
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Orange / 50
Model Number: 59864
