Metric

Black Nylon - Industrial Grade

Part Numbers

Threads

Adapter Type

Dimensions in Inches (mm)

Male
Thread

A

Female Thread

B

T

H

D

W

Thread Length

Height

Inner Diameter

Wrench Flat

M16 x 1.5

M12 x 1.5

C

.31 (8)

.55 (14)

.39 (10)

.79 (20)

M16 x 1.5

C

.31 (8)

.55 (14)

.53 (13.5)

.98 (25)

M20 x 1.5

C

.31 (8)

.55 (14)

.71 (18)

1.14 (29)

M32 x 1.5

M25 x 1.5

C

.39 (10)

.63 (16)

.91 (23)

1.42 (36)

M40 x 1.5

M32 x 1.5

D

.59 (15)

.79 (20)

1.18 (30)

N/A

M50 x 1.5

M40 x 1.5

D

.59 (15)

.79 (20)

1.50 (38)

N/A

M63 x 1.5

M50 x 1.5

D

.59 (15)

.79 (20)

1.89 (48)

N/A

Gray Nylon - Industrial Grade

Part Numbers

Threads

Adapter Type

Dimensions in Inches (mm)

Male
Thread

A

Female
Thread

B

T

H

D

W

Thread Length

Height

Outer Diameter

Wrench Flat

R-MM-1612-GY

M16 x 1.5

M12 x 1.5

C

.35 (9)

.63 (16)

.94 (24)

.87 (22)

R-MM-2016-GY

M20 x 1.5

M16 x 1.5

C

.35 (9)

.63 (16)

1.06 (27)

.94 (24)

R-MM-2520-GY

M25 x 1.5

M20 x 1.5

C

.39 (10)

.67 (17)

1.26 (32)

1.14 (29)

R-MM-3225-GY

M32 x 1.5

M25 x 1.5

C

.47 (12)

.75 (19)

1.57 (40)

1.42 (36)

R-MM-4032-GY

M40 x 1.5

M32 x 1.5

C

.47 (12)

.75 (19)

2.01 (51)

1.81 (46)

R-MM-5040-GY

M50 x 1.5

M40 x 1.5

C

.55 (14)

.83 (21)

2.40 (61)

2.17 (55)

R-MM-6350-GY

M63 x 1.5

M50 x 1.5

C

.59 (15)

.87 (22)

2.95 (75)

2.68 (68)

Nickel Plated Brass - Industrial Grade

Part Numbers

Threads

Dimensions in Inches (mm)

 w/ Buna O-Ring

Male
Thread

      A     

Female
Thread

   B   

W

T

H

Wrench Flat

Thread Length

Height

R-MM-1612-BR-B

M16 x 1.5

M12 x 1.5

.67 (17)

.20 (5)

.31 (8)

R-MM-2012-BR-B

M20 x 1.5

M12 x 1.5

.87 (22)

.24 (6)

.35 (9)

R-MM-2016-BR-B

M20 x 1.5

M16 x 1.5

.87 (22)

.24 (6)

.35 (9)

R-MM-2516-BR-B

M25 x 1.5

M16 x 1.5

1.06 (27)

.28 (7)

.39 (10)

R-MM-2520-BR-B

M25 x 1.5

M20 x 1.5

1.06 (27)

.28 (7)

.39 (10)

R-MM-3216-BR-B

M32 x 1.5

M16 x 1.5

1.34 (34)

.31 (8)

.43 (11)

R-MM-3220-BR-B

M32 x 1.5

M20 x 1.5

1.34 (34)

.31 (8)

.43 (11)

R-MM-3225-BR-B

M32 x 1.5

M25 x 1.5

1.34 (34)

.31 (8)

.43 (11)

R-MM-4020-BR-B

M40 x 1.5

M20 x 1.5

1.46 (43)

.31 (8)

.47 (12)

R-MM-4025-BR-B

M40 x 1.5

M25 x 1.5

1.46 (43)

.31 (8)

.47 (12)

R-MM-4032-BR-B

M40 x 1.5

M32 x 1.5

1.46 (43)

.31 (8)

.47 (12)

R-MM-5025-BR-B

M50 x 1.5

M25 x 1.5

2.17 (55)

.35 (9)

.51 (13)

R-MM-5032-BR-B

M50 x 1.5

M32 x 1.5

2.17 (55)

.35 (9)

.51 (13)

R-MM-5040-BR-B

M50 x 1.5

M40 x 1.5

2.17 (55)

.35 (9)

.51 (13)

R-MM-6332-BR-B

M63 x 1.5

M32 x 1.5

2.56 (65)

.39 (10)

.55 (14)

R-MM-6340-BR-B

M63 x 1.5

M40 x 1.5

2.56 (65)

.39 (10)

.55 (14)

R-MM-6350-BR-B

M63 x 1.5

M50 x 1.5

2.56 (65)

.39 (10)

.55 (14)

Nickel Plated Brass (Round) - Industrial Grade

Part Numbers

Threads

Dimensions in Inches (mm)

Male
Thread

      A     

Female
Thread

    B   

D

T

H

Outer
Diameter

Thread Length

Height

R-MM-1612-BR-RD

M16 x 1.5

M12 x 1.5

.71 (18)

.24 (6)

.33 (8.5)

R-MM-2012-BR-RD

M20 x 1.5

M12 x 1.5

.94 (24)

.26 (6.5)

.35 (9)

R-MM-2016-BR-RD

M20 x 1.5

M16 x 1.5

.94 (24)

.26 (6.5)

.35 (9)

R-MM-2516-BR-RD

M25 x 1.5

M16 x 1.5

1.18 (30)

.28 (7)

.39 (10)

R-MM-2520-BR-RD

M25 x 1.5

M20 x 1.5

1.18 (30)

.28 (7)

.39 (10)

R-MM-3220-BR-RD

M32 x 1.5

M20 x 1.5

1.54 (39)

.31 (8)

.45 (11.5)

R-MM-3225-BR-RD

M32 x 1.5

M25 x 1.5

1.54 (39)

.31 (8)

.45 (11.5)

R-MM-4025-BR-RD

M40 x 1.5

M25 x 1.5

1.69 (43)

.31 (8)

.45 (11.5)

R-MM-4032-BR-RD

M40 x 1.5

M32 x 1.5

1.69 (43)

.35 (9)

.49 (12.5)

R-MM-5032-BR-RD

M50 x 1.5

M32 x 1.5

2.24 (57)

.39 (10)

.55 (14)

R-MM-5040-BR-RD

M50 x 1.5

M40 x 1.5

2.24 (57)

.39 (10)

.55 (14)

R-MM-6340-BR-RD

M63 x 1.5

M40 x 1.5

2.52 (64)

.39 (10)

.55 (14)

R-MM-6350-BR-RD

M63 x 1.5

M50 x 1.5

2.52 (64)

.39 (10)

.55 (14)

Nickel Plated Brass  –  Explosion Proof  (ATEX, Class 1, Division 1)

Part Numbers

Threads

Male
Thread

A

Female
Thread

B

R1.25.20.N.NT

M25 x 1.5

M20 x 1.5

RD-U-1-1-06-04

M32 x 1.5

M20 x 1.5

RD-U-1-1-06-05

M32 x 1.5

M25 x 1.5

316 Stainless Steel  –  Explosion Proof  (ATEX, Class 1, Division 1)

Part Numbers

Threads

Male
Thread

A

Female
Thread

B

R1.25.20.S.NT

M25 x 1.5

M20 x 1.5