NPT Straight
NPT Straight and Union fit for hydraulic systems connections.


NPT Nipple 1N
Steel Material: Carbon Steel 45#, Japan grade S45C, America grade 1045, Germany grade C45
Surface Finished: Zinc Plating
Salt Spray Test: 96 hours without red rust.Stainless Steel Material: SS304, SS316, Duplex Steel or Nickel Alloy
Surface Finished: Degreasing, Cleaning, or Passivation.Packing: ends with plastic caps to avoid thread damage, pcs of fittings in polybag, then max 20kgs in carton box, max 800kgs per wooden pallet.
Stock available for fast shipment.
Mill test report: EN 10204-3.1
NPT Nipple 1N Specifications
PART NO. | THREAD | DIMENSIONS | ||||
E | F | A | B | L | S1 | |
1N-02 | Z1/8″ X27 | Z1/8″ X27 | 10.5 | 10.5 | 27 | 12 |
1N-02-04 | Z1/8″ X27 | Z1/4″ X18 | 10.5 | 15 | 31 | 17 |
1N-02-06 | Z1/8″ X27 | Z3/8″ X18 | 10.5 | 16 | 32 | 19 |
1N-04 | Z1/4″X18 | Z1/4″X18 | 15 | 15 | 35 | 17 |
1N-04-06 | Z1/4″X18 | Z3/8″X18 | 15 | 16 | 37 | 19 |
1N-06 | Z3/8″X18 | Z3/8″X18 | 16 | 16 | 38 | 19 |
1N-06-08 | Z3/8″X18 | Z1/2″X14 | 16 | 19.5 | 43.5 | 22 |
1N-06-12 | Z3/8″ X18 | Z3/4″ X14 | 16 | 19.5 | 45.5 | 27 |
1N-08 | Z1/2″ X14 | Z1/2″ X14 | 19.5 | 19.5 | 47 | 22 |
1N-08-12 | Z1/2″ X14 | Z3/4″ X14 | 19.5 | 19.5 | 49 | 27 |
1N-08-16 | Z1/2″ X14 | Z1″ X11.5 | 19.5 | 25.5 | 56 | 36 |
1N-12 | Z3/4″ X14 | Z3/4″ X14 | 19.5 | 19.5 | 49 | 27 |
1N-12-16 | Z3/4″ X14 | Z1″ X11.5 | 19.5 | 25.5 | 55 | 36 |
1N-12-20 | Z3/4″ X14 | Z1.1/4″ X11.5 | 19.5 | 26.5 | 59 | 46 |
1N-16 | Z1″ X11.5 | Z1″ X11.5 | 25.5 | 25.5 | 61 | 36 |
1N-16-20 | Z1″ X11.5 | Z1.1/4″ X11.5 | 25.5 | 26.5 | 64 | 46 |
1N-16-24 | Z1″ X11.5 | Z1.1/2″ X11.5 | 25.5 | 27.5 | 68 | 50 |
1N-20 | Z1.1/4″ X11.5 | Z1.1/4″ X11.5 | 26.5 | 26.5 | 65 | 46 |
1N-20-24 | Z1.1/4″ X11.5 | Z1.1/2″ X11.5 | 26.5 | 27.5 | 69 | 50 |
1N-24 | Z1.1/2″ X11.5 | Z1.1/2″ X11.5 | 27.5 | 27.5 | 69 | 50 |
1N-24-32 | Z1.1/2″ X11.5 | Z2″ X11.5 | 27.5 | 27.5 | 72 | 65 |
1N-32 | Z2″ X11.5 | Z2″ X11.5 | 27.5 | 27.5 | 71 | 65 |



NPT To JIC Adapters 2NJ
Steel Material: Carbon Steel 45#, Japan grade S45C, America grade 1045, Germany grade C45
Surface Finished: Zinc Plating
Salt Spray Test: 96 hours without red rust.Stainless Steel Material: SS304, SS316, Duplex Steel or Nickel Alloy
Surface Finished: Degreasing, Cleaning, or Passivation.Packing: ends with plastic caps to avoid thread damage, pcs of fittings in polybag, then max 20kgs in carton box, max 800kgs per wooden pallet.
Stock available for fast shipment.
Mill test report: EN 10204-3.1
NPT To JIC Adapters 2NJ Specifications
PART NO. | THREAD | DIMENSIONS | |||||
E | F | A | B | L | S1 | S2 | |
2NJ-02-04 | Z1/8″X27 | 7/16″X20 | 10.5 | 9 | 24.5 | 12 | 17 |
2NJ-02-05 | Z1/8″ X27 | 1/2″X20 | 10.5 | 9 | 25 | 12 | 17 |
2NJ-04 | Z1/4″ X18 | 7/16″X20 | 15 | 9 | 29 | 17 | 17 |
2NJ-04-05 | Z1/4″ X18 | 1/2″X20 | 15 | 9 | 29.5 | 17 | 17 |
2NJ-04-06 | Z1/4″ X18 | 9/16″X18 | 15 | 10.5 | 29.5 | 17 | 19 |
2NJ-04-08 | Z1/4″ X18 | 3/4″X16 | 15 | 10.5 | 31.5 | 19 | 24 |
2NJ-06 | Z3/8″ X18 | 9/16″X18 | 16 | 10.5 | 30.5 | 19 | 19 |
2NJ-06-08 | Z3/8″ X18 | 3/4″X16 | 16 | 10.5 | 32.5 | 19 | 24 |
2NJ-06-10 | Z3/8″ X18 | 7/8″X14 | 16 | 12 | 35 | 22 | 27 |
2NJ-08 | Z1/2″ X14 | 3/4″X16 | 19.5 | 10.5 | 37.5 | 22 | 24 |
2NJ-08-06 | Z1/2″ X14 | 9/16″X18 | 19.5 | 10.5 | 36 | 22 | 19 |
2NJ-08-10 | Z1/2″ X14 | 7/8″X14 | 19.5 | 12 | 38 | 22 | 27 |
2NJ-08-12 | Z1/2″ X14 | 1.1/16″X12 | 19.5 | 15 | 42 | 27 | 32 |
2NJ-12 | Z3/4″ X14 | 1.1/16″X12 | 19.5 | 15 | 42 | 30 | 32 |
2NJ-12-08 | Z3/4″ X14 | 3/4″X16 | 19.5 | 10.5 | 40 | 30 | 24 |
2NJ-12-10 | Z3/4″ X14 | 7/8″X14 | 19.5 | 12 | 40.5 | 30 | 27 |
2NJ-12-16 | Z3/4″ X14 | 1.5/16″X12 | 19.5 | 16 | 42.5 | 32 | 41 |
2NJ-16 | Z1″ X11.5 | 1.5/16″X12 | 25.5 | 16 | 48 | 36 | 41 |
2NJ-16-12 | Z1″ X11.5 | 1.1/16″X12 | 25.5 | 15 | 49 | 36 | 32 |
2NJ-16-20 | Z1″ X11.5 | 1.5/8″X12 | 25.5 | 17 | 52.5 | 41 | 50 |
2NJ-20 | Z1.1/4″ X11.5 | 1.5/8″X12 | 26.5 | 17 | 52.5 | 46 | 50 |
2NJ-20-24 | Z1.1/4″ X11.5 | 1.7/8″X12 | 26.5 | 20 | 54 | 46 | 60 |
2NJ-24-20 | Z1.1/2″ X11.5 | 1.5/8″X12 | 27.5 | 17 | 56.5 | 50 | 50 |
2NJ-24 | Z1.1/2″ X11.5 | 1.7/8″X12 | 27.5 | 23.5 | 57 | 50 | 60 |


NPT Straight Expander 5N
Steel Material: Carbon Steel 45#, Japan grade S45C, America grade 1045, Germany grade C45
Surface Finished: Zinc Plating
Salt Spray Test: 96 hours without red rust.Stainless Steel Material: SS304, SS316, Duplex Steel or Nickel Alloy
Surface Finished: Degreasing, Cleaning, or Passivation.Packing: ends with plastic caps to avoid thread damage, pcs of fittings in polybag, then max 20kgs in carton box, max 800kgs per wooden pallet.
Stock available for fast shipment.
Mill test report: EN 10204-3.1
NPT Straight Expander 5N Specifications
PART NO. | THREAD | DIMENSIONS | |||
E | F | A | L | S1 | |
5N-02 | Z1/8″ X27 | Z1/8″ X27 | 10.5 | 25.5 | 17 |
5N-02-04 | Z1/8″ X27 | Z1/4″ X18 | 10.5 | 31 | 19 |
5N-02-06 | Z1/8″X27 | Z3/8″X18 | 11 | 31 | 24 |
5N-04-02 | Z1/4″X18 | Z1/8″X27 | 15 | 22 | 17 |
5N-04 | Z1/4″X18 | Z1/4″X18 | 15 | 35.3 | 19 |
5N-04-06 | Z1/4″ X18 | Z3/8″ X18 | 15 | 36.6 | 24 |
5N-06-02 | Z3/8″X18 | Z1/8″X27 | 16 | 22 | 19 |
5N-06-04 | Z3/8″X18 | Z1/4″X18 | 16 | 22 | 19 |
5N-06 | Z3/8″X18 | Z3/8″X18 | 16 | 37.6 | 24 |
5N-06-08 | Z3/8″ X18 | Z1/2″ X14 | 17 | 43.7 | 30 |
5N-06-12 | Z3/8″ X18 | Z3/4″ X14 | 17 | 47 | 36 |
5N-08-04 | Z1/2″ X14 | Z1/4″ X18 | 19.5 | 28 | 24 |
5N-08-06 | Z1/2″ X14 | Z3/8″ X18 | 19.5 | 28.5 | 24 |
5N-08 | Z1/2″ X14 | Z1/2″ X14 | 19.5 | 47.5 | 30 |
5N-08-12 | Z1/2″ X14 | Z3/4″ X14 | 19.5 | 49 | 36 |
5N-12-06 | Z3/4″ X14 | Z3/8″ X18 | 19.5 | 30.5 | 27 |
5N-12-08 | Z3/4″ X14 | Z1/2″ X14 | 19.5 | 30.5 | 27 |
5N-12 | Z3/4″ X14 | Z3/4″ X14 | 19.5 | 49 | 36 |
5N-12-16 | Z3/4″ X14 | Z1″ X11.5 | 19.5 | 55.4 | 41 |
5N-16-08 | Z1″ X11.5 | Z1/2″ X14 | 25.5 | 35.5 | 36 |
5N-16-12 | Z1″ X11.5 | Z3/4″ X14 | 25.5 | 36.5 | 36 |
5N-16 | Z1″ X11.5 | Z1″ X11.5 | 25.5 | 60.7 | 41 |
5N-16-20 | Z1″ X11.5 | Z1.1/4″ X11.5 | 25.5 | 63.5 | 50 |
5N-20-12 | Z1.1/4″ X11.5 | Z3/4″ X14 | 26.5 | 38.5 | 46 |
5N-20-16 | Z1.1/4″ X11.5 | Z1″ X11.5 | 26.5 | 41 | 46 |
5N-20 | Z1.1/4″ X11.5 | Z1.1/4″ X11.5 | 26.5 | 61.5 | 50 |
5N-20-24 | Z1.1/4″ X11.5 | Z1.1/2″ X11.5 | 26.5 | 62.5 | 60 |
5N-24-16 | Z1.1/2″ X11.5 | Z1″ X11.5 | 27.5 | 41.5 | 50 |
5N-24-20 | Z1.1/2″ X11.5 | Z1.1/4″ X11.5 | 27.5 | 41 | 50 |
5N-24 | Z1.1/2″ X11.5 | Z1.1/2″ X11.5 | 27.5 | 62.5 | 65 |
5N-24-32 | Z1.1/2″ X11.5 | Z2″ X11.5 | 27.5 | 66.5 | 70 |
5N-32-20 | Z2″ X11.5 | Z1.1/4″ X11.5 | 27.5 | 44.5 | 65 |
5N-32-24 | Z2″ X11.5 | Z1.1/2″ X11.5 | 27.5 | 45 | 65 |
5N-32 | Z2″ X11.5 | Z2″ X11.5 | 27.5 | 62.5 | 70 |


NPT Straight Coupling 7N
Steel Material: Carbon Steel 45#, Japan grade S45C, America grade 1045, Germany grade C45
Surface Finished: Zinc Plating
Salt Spray Test: 96 hours without red rust.Stainless Steel Material: SS304, SS316, Duplex Steel or Nickel Alloy
Surface Finished: Degreasing, Cleaning, or Passivation.Packing: ends with plastic caps to avoid thread damage, pcs of fittings in polybag, then max 20kgs in carton box, max 800kgs per wooden pallet.
Stock available for fast shipment.
Mill test report: EN 10204-3.1
NPT Straight Coupling 7N Specifications
PART NO. | THREAD | DIMENSIONS | ||
E | F | L | S1 | |
7N-02 | Z1/8″X27 | Z1/8″X27 | 24 | 17 |
7N-02-04 | Z1/8″X27 | Z1/4″X18 | 27 | 19 |
7N-02-06 | Z1/8″X27 | Z3/8″X18 | 30 | 22 |
7N-04 | Z1/4″X18 | Z1/4″X18 | 29 | 19 |
7N-04-06 | Z1/4″X18 | Z3/8″X18 | 31 | 22 |
7N-06 | Z3/8″X18 | Z3/8″X18 | 29 | 22 |
7N-06-08 | Z3/8″X18 | Z1/2″X14 | 38 | 30 |
7N-06-12 | Z3/8″X18 | Z3/4″X14 | 40 | 36 |
7N-08 | Z1/2″X14 | Z1/2″X14 | 38 | 30 |
7N-08-12 | Z1/2″X14 | Z3/4″X14 | 43 | 36 |
7N-12 | Z3/4″X14 | Z3/4″X14 | 39 | 36 |
7N-12-16 | Z3/4″X14 | Z1″X11.5 | 45.5 | 41 |
7N-16 | Z1″X11.5 | Z1″X11.5 | 48 | 41 |
7N-20 | Z1.1/4″X11.5 | Z1.1/4″X11.5 | 49 | 50 |
7N-24 | Z1.1/2″X11.5 | Z1.1/2″X11.5 | 49 | 60 |
7N-32 | Z2″X11.5 | Z2″X11.5 | 50 | 70 |