T1

T2

T3

Standard Material

PART 

TUBE

THREAD

THREAD

THREAD

M

N1

N2

Y

From Stock

NO.

O.D.

UN/UNF-2A

NPTF

NPTF

FLATS

S

SS

B

2608-04-02-02

1/4 1/8 1/8

7/16-20

1/8-27

1/8-27

1.080

0.650

0.850

0.562

•

•

2608-04-04-04

1/4

7/16-20

1/4-18

1/4-18

1.120

0.880

1.220

0.750

•

•

2608-05-04-04

5/16 1/4 1/4

1/2-20

1/4-18

1/4-18

1.120

0.880

1.220

0.750

•

•

•

2608-06-04-04

3/8 1/4 1/4

9/16-18

1/4-18

1/4-18

1.140

0.880

1.150

0.750

•

•

2608-08-06-06

1/2 3/8 3/8

3/4-16

3/8-18

3/8-18

1.430

1.020

1.150

1.000

•

•

2608-10-08-08

5/8 1/2 1/2

7/8-14

1/2-14

1/2-14

1.630

1.230

1.470

1.125

•

•

2608-12-12-12

3/4

1 1/16-12

3/4-14

3/4-14

1.790

1.360

1.730

1.375

•

•