Adapters

O-Ring adapters

O-ring adapters, also known as ORB or SAE adapters, have parallel threads which seal with the o-ring on the chamfer of the mating part. We offer our ORB fittings in stainless steel 316L with Buna “N” o’rings, in straight, elbows, plugs, adjustables, tees, as well as converting to other threads (such as JIC or NPT) on the second end. These are great adapters for high pressure applications that require a very tight seal. These pressure fittings are becoming more popular in applications where quick confidant seals are required.

O-Ring adapters products

6400

Male JIC x Male ORB adapter

6400-L

Male JIC x Male ORB adapter

6401

Male ORB x Male NPT adapter

6402

Male ORB x 37º Female JIC Swivel

6404

Female ORB x Male NPT

6405

Male ORB x Female NPT

6407 / 3474

Male ORB Adjustable Union

6408

Male ORB hex plug

6400

Male JIC x Male ORB adapter SAE# (070120)

Part# ID (A) Threads Hex Thread ID (B) Length
6400-02-02SS .06 5/16-24 .438 5/16-24 .06 1.06
6400-03-03SS .13 3/8-24 .500 3/8-24 .13 1.11
6400-04-02SS .17 7/16-20 .500 5/16-24 .06 1.17
6400-04-03SS .17 7/16-20 .560 3/8-24 .13 1.17
6400-04-04SS .17 7/16-20 .562 7/16-20 .17 1.23
6400-04-05SS .17 7/16-20 .625 1/2-20 .23 1.23
6400-04-06SS .17 7/16-20 .688 9/16-18 .30 1.29
6400-04-08SS .17 7/16-20 .875 3/4-16 .39 1.37
6400-04-10SS .17 7/16-20 1.000 7/8-14 .48 1.49
6400-05-04SS .23 1/2-20 .562 7/16-20 .17 1.23
6400-05-05SS .23 1/2-20 .625 1/2-20 .23 1.23
6400-05-06SS .23 1/2-20 .688 9/16-18 .30 1.29
6400-05-08SS .23 1/2-20 .875 3/4-16 .39 1.37
6400-05-10SS .234 1/2-20 1.00 7/8-14 .484 1.49
6400-06-04SS .30 9/16-18 .625 7/16-20 .17 1.27
6400-06-05SS .30 9/16-18 .625 1/2-20 .23 1.29
6400-06-06SS .30 9/16-18 .688 9/16-18 .30 1.30
6400-06-08SS .30 9/16-18 .875 3/4-16 .30 1.38
6400-06-10SS .30 9/16-18 1.000 7/8-14 .48 1.50
6400-06-12SS .30 9/16-18 1.250 1-1/16-12 .61 1.66
6400-06-16SS .30 9/16-18 1.500 1-5/16-12 .84 1.69
6400-08-04SS .39 3/4-16 .875 7/16-20 .17 1.49
6400-08-05SS .39 3/4-16 .875 1/2-20 .23 1.49
6400-08-06SS .39 3/4-16 .812 9/16-18 .30 1.44
6400-08-08SS .39 3/4-16 .875 3/4-16 .39 1.48
6400-08-10SS .39 3/4-16 1.000 7/8-14 .48 1.60
6400-08-12SS .39 3/4-16 1.250 1-1/16-12 .61 1.76
6400-08-16SS .39 3/4-16 1.500 1-5/16-12 .84 1.79
6400-10-06SS .48 7/8-14 1.00 9/16-18 .30 1.71
6400-10-08SS .48 7/8-14 1.000 3/4-16 .39 1.64
6400-10-10SS .48 7/8-14 1.000 7/8-14 .48 1.70
6400-10-12SS .48 7/8-14 1.250 1-1/16-12 .48 1.86
6400-10-14SS .484 7/8-14 1.375 1-3/16-12 .719 1.86
6400-10-16SS .48 7/8-14 1.500 1-5/16-12 .84 1.89
6400-12-08SS .61 1-1/16-12 1.125 3/4-16 .39 1.94
6400-12-10SS .61 1-1/16-12 1.250 7/8-14 .48 1.88
6400-12-12SS .61 1-1/16-12 1.250 1-1/16-12 .61 1.97
6400-12-16SS .61 1-1/16-12 1.500 1-5/16-12 .84 1.99
6400-12-20SS .61 1-1/16-12 1.875 1-5/8-12 1.08 2.08
6400-14-12SS .72 1-3/16-12 1.250 1-1/16-12 .61 1.98
6400-14-14SS .72 1-3/16-12 1.375 1-3/16-12 .72 1.98
6400-14-16SS .72 1-3/16-12 1.50 1-5/16-12 .84 2.02
6400-16-08SS .84 1-5/16-12 1.375 3/4-16 .39 2.01
6400-16-10SS .84 1-5/16-12 1.375 7/8-14 .48 2.07
6400-16-12SS .84 1-5/16-12 1.375 1-1/16-12 .61 2.04
6400-16-14SS .84 1-5/16-12 1.375 1-3/16-12 .72 2.04
6400-16-16SS .84 1-5/16-12 1.500 1-5/16-12 .84 2.04
6400-16-20SS .84 1-5/16-12 1.875 1-5/8-12 1.08 2.12
6400-16-24SS .84 1-5/16-12 2.125 1-7/8-12 1.31 2.22
6400-20-12SS 1.08 1-5/8-12 1.688 1-1/16-12 .61 2.30
6400-20-16SS 1.08 1-5/8-12 1.688 1-5/16-12 .84 2.33
6400-20-20SS 1.08 1-5/8-12 1.875 1-5/8-12 1.08 2.17
6400-20-24SS 1.08 1-5/8-12 2.125 1-7/8-12 1.31 2.25
6400-24-20SS 1.31 1-7/8-12 2.125 1-5/8-12 1.08 2.53
6400-24-24SS 1.31 1-7/8-12 2.125 1-7/8-12 1.31 2.38
6400-24-32SS 1.31 1-7/8-12 2.750 2-1/2-12 1.78 2.53
6400-32-24SS 1.78 2-1/2-12 2.625 1-7/8-12 1.31 2.94
6400-32-32SS 1.78 2-1/2-12 2.750 2-1/2-12 1.78 2.78

6400-L

Male JIC x Male ORB adapter SAE# (070122)

Part# ID (A) Threads Hex Thread ID (B) Length Hex length
6400-L-04-04SS .17 7/16-20 .56 7/16-20 .17 2.08 n/a
6400-L-05-05SS .234 1/2-20 .63 1/2-20 .234 2.14 n/a
6400-L-06-06SS .30 9/16-18 .69 9/16-18 .30 2.31 n/a
6400-L-06-08SS .30 9/16-18 .88 3/4-16 .39 2.38 n/a
6400-L-06-10SS n/a 9/16-18 1.00 7/8-14 n/a 2.51 n/a
6400-L-08-08SS .39 3/4-16 .88 3/4-16 .39 2.70 n/a
6400-L-08-10SS .39 3/4-16 1.00 7/8-14 .48 2.83 n/a
6400-L-10-08SS .48 7/8-14 .94 3/4-16 .39 2.98 n/a
6400-L-10-10SS .48 7/8-14 1.00 7/8-14 .48 3.04 n/a
6400-L-10-16SS n/a 7/8-14 1.50 1-5/16-12 n/a 3.23 n/a
6400-L-12-10SS .61 1-1/16-12 1.13 7/8-14 .48 3.52 n/a
6400-L-12-12SS .61 1-1/16-12 1.25 1-1/16-12 .61 3.61 n/a
6400-L-12-16SS .609 1-1/16-12 1.50 1-5/16-12 .844 3.93 n/a
6400-L-14-14SS .719 1-3/16-12 1.38 1-3/16-12 .719 3.80 n/a
6400-L-16-16SS .84 1-5/16-12 1.50 1-5/16-12 .84 3.98 n/a
6400-L-16-20SS n/a 1-5/16-12 1.88 1-5/8-12 n/a 4.06 n/a
6400-L-20-16SS n/a 1-5/8-12 1.69 1-5/16-12 n/a 4.85 n/a
6400-L-20-20SS 1.08 1-5/8-12 1.88 1-5/8-12 1.08 4.69 n/a
6400-L-24-24SS 1.31 1-7/8-12 2.13 1-7/8-12 1.31 5.17 n/a
6400-L-32-32SS 1.781 2-1/2-12 2.75 2-1/2-12 1.781 6.29 n/a

6401

Male ORB x Male NPT adapter

Part# ID (A) Threads Hex Thread ID (B) Length
6401-04-02SS .17 7/16-20 .56 1/8-27 .19 1.05
6401-04-04SS .17 7/16-20 .56 1/4-18 .28 1.23
6401-05-02SS .23 1/2-20 .63 1/8-27 .19 1.05
6401-05-04SS .23 1/2-20 .63 1/4-18 .28 1.23
6401-06-02SS .30 9/16-18 .69 1/8-27 .19 1.13
6401-06-04SS .30 9/16-18 .69 1/4-18 .28 1.30
6401-06-06SS .30 9/16-18 .813 3/8-18 .41 1.26
6401-06-08SS .30 9/16-18 .88 1/2-14 .53 1.54
6401-08-04SS .39 3/4-16 .88 1/4-18 .28 1.36
6401-08-06SS .39 3/4-16 .88 3/8-18 .41 1.36
6401-08-08SS .39 3/4-16 .88 1/2-14 .53 1.55
6401-08-12SS .39 3/4-16 1.062 3/4-14 .72 1.76
6401-10-06SS .48 7/8-14 1.000 3/8-18 .41 1.46
6401-10-08SS .48 7/8-14 1.00 1/2-14 .53 1.65
6401-10-12SS .48 7/8-14 1.13 3/4-14 .72 1.76
6401-12-06SS .61 1-1/16-12 1.25 3/8-18 .41 1.62
6401-12-08SS .61 1-1/16-12 1.25 1/2-14 .53 1.84
6401-12-12SS .61 1-1/16-12 1.25 3/4-14 .72 1.73
6401-12-16SS .61 1-1/16-12 1.38 1-11-1/2 .94 2.12
6401-16-12SS .84 1-5/16-12 1.50 3/4-14 .72 1.96
6401-16-16SS .84 1-5/16-12 1.50 1-11-1/2 .94 2.12
6401-20-20SS 1.08 1-5/8-12 1.88 1/4-11-1/2 1.25 2.17
6401-24-16SS 1.31 1-7/8-12 2.13 1-11-1/2 .94 2.20
6401-24-20SS 1.312 1-7/8-12 2.13 1-1/4-11-1/2 1.250 2.25
6401-24-24SS 1.31 1-7/8-12 2.13 1-1/2-11-1/2 1.50 2.27
6401-32-32SS 1.78 2-1/2-12 2.75 2-11-1/2 1.94 2.47

6402

Male ORB x 37º Female JIC Swivel adapter

Part# I.D. (in) Threads Hex Thread hex/adj nut Length
6402-04-04SS .172 7/16-20 .56 7-16-20 n/a 1.29
6402-04-06SS .172 7-16-20 .562 9/16-20 n/a 1.43
6402-06-04SS .297 9/16-18 .69 7/16-20 n/a 1.34
6402-06-06SS .297 9/16-18 .69 9/16-18 n/a 1.48
6402-06-08SS .297 9/16-18 .75 3/4-16 n/a 1.48
6402-08-06SS .391 3/4-16 .88 9/16-18 n/a 1.55
6402-08-08SS .391 3/4-16 .88 3/4-16 n/a 1.59
6402-08-16SS .391 3/4-16 1.38 1-5/16-12 n/a 2.25
6402-10-08SS .484 7/8-14 1.00 3/4-16 n/a 1.79
6402-10-10SS .484 7/8-14 1.00 7/8-14 n/a 1.89
6402-12-08SS n/a 1-1/16-12 1.25 3/4-16 n/a 1.71
6402-12-12SS .609 1-1/16-12 1.25 1-1/16-12 n/a 2.14
6402-12-16SS .609 1-1/16-12 1.500 1-5/16-12 n/a 2.26
6402-12-20SS n/a 1-1/16-12 1.69 1-5/8-12 n/a 2.45
6402-16-12SS .844 1-5/16-12 1.50 1-1/16-12 n/a 2.14
6402-16-16SS .844 1-5/16-12 1.50 1-5/16-12 n/a 2.26
6402-16-20SS n/a 1-5/16-12 2.00 1-5/8-12 n/a 2.51
6402-16-24SS n/a 1-5/16-12 2.00 1-7/8-12 n/a 2.88
6402-20-20SS 1.078 1-5/8-12 1.88 1-5/8-12 n/a 2.42
6402-24-20SS n/a 1-7/8-12 2.13 1-5/8-12 n/a 1.90
6402-24-24SS 1.312 1-7/8-12 2.13 1-7/8-12 n/a 2.61
6402-32-32SS 1.781 2-1/2-12 2.75 2-1/2-12 n/a 2.95

6404

Female ORB x Male NPT adapter

Part# Threads Hex Thread I.D. (in) Length
6404-04-02SS 7/16-20 .69 1/8-27 .188 1.13
6404-04-04SS 7/16-20 .69 1/4-18 .281 1.34
6404-04-06SS 7/16-20 .69 3/8-18 .406 1.14
6404-04-08SS 7/16-20 .88 1/2-14 n/a .97
6404-05-02SS 1/2-20 .75 1/8-27 .188 1.37
6404-06-04SS 9/16-18 .88 1/4-18 .281 1.59
6404-06-06SS 9/16-18 .812 3/8-18 .406 1.38
6404-06-08SS 9/16-18 .88 1/2-14 .531 1.58
6404-08-04SS 3/4-16 1.125 1/4-18 .281 1.60
6404-08-06SS 3/4-16 1.00 3/8-18 .406 1.50
6404-08-08SS 3/4-16 1.062 1/2-14 .531 1.65
6404-08-16SS 1-1/16-12 1.38 1-11-1/2 n/a 1.83
6404-08-24SS 3/4-16 2.00 1-1/2-11-1/2 n/a 1.93
6404-10-06SS 7/8-14 1.25 3/8-18 .406 1.63
6404-10-08SS 7/8-14 1.25 1/2-14 .531 1.75
6404-10-12SS 7/8-14 1.25 3/4-14 .719 1.85
6404-12-06SS 1-1/16-12 1.38 3/8-18 n/a 1.78
6404-12-08SS 1-1/16-12 1.38 1/2-14 .531 1.97
6404-12-12SS 1-1/16-12 1.38 3/4-14 .719 1.97
6404-12-16SS 1-1/16-12 1.38 1-11-1/2 n/a 2.16
6404-16-12SS 1-5/16-12 1.63 3/4-14 .719 1.91
6404-16-16SS 1-5/16-12 1.63 1-11-1/2 .938 2.10
6404-16-20SS 1-5/16-12 1.688 1-1/4-11-1/2 1.250 2.13
6404-20-16SS 1-5/8-12 2.125 1-11-1/2 .938 2.16
6404-20-20SS 1-5/8-12 2.125 1-1/4-11-1/2 1.250 2.34
6404-24-24SS 1-7/8-12 2.25 1-1/2-11-1/2 1.500 2.23

6405

Male ORB x Female NPT adapter

Part# Threads Hex Thread I.D. (in) Length
6405-03-04SS 3/8-24 .75 1/4-18 n/a 1.10
6405-04-02SS 7/16-20 .56 1/8-27 n/a .97
6405-04-04SS 7/16-20 .75 1/4-18 n/a 1.16
6405-04-06SS 7/16-20 .88 3/8-18 n/a 1.25
6405-05-02SS 1/2-20 .63 1/8-27 n/a .94
6405-05-04SS 1/2-20 .75 1/4-18 n/a 1.15
6405-06-02SS 9/16-18 .69 1/8-27 n/a .73
6405-06-04SS 9/16-18 .69 1/4-18 n/a 1.18
6405-06-06SS 9/16-18 .88 3/8-18 n/a 1.31
6405-06-08SS 9/16-18 1.13 1/2-14 n/a 1.50
6405-08-02SS 3/4-16 .88 1/8-27 n/a .80
6405-08-04SS 3/4-16 .88 1/4-18 n/a 1.02
6405-08-06SS 3/4-16 .88 3/8-18 n/a 1.26
6405-08-08SS 3/4-16 1.13 1/2-14 n/a 1.63
6405-08-12SS 3/4-16 1.38 3/4-14 n/a 1.63
6405-10-02SS 7/8-14 1.00 1/8-27 n/a .93
6405-10-04SS 7/8-14 1.00 1/4-18 n/a .93
6405-10-06SS 7/8-14 1.00 3/8-18 n/a 1.28
6405-10-08SS 7/8-14 1.13 1/2-14 n/a 1.55
6405-10-12SS 7/8-14 1.38 3/4-14 n/a 1.64
6405-12-04SS 1-1/16-12 1.25 1/4-18 n/a 1.09
6405-12-06SS 1-1/16-12 1.25 3/8-18 n/a 1.09
6405-12-08SS 1-1/16-12 1.25 1/2-14 n/a 1.50
6405-12-12SS 1-1/16-12 1.38 3/4-14 n/a 1.59
6405-12-16SS 1-1/16-12 1.63 1-11-1/2 n/a 1.95
6405-12-24SS 1-1/16-12 2.38 1-1/2-11-1/2 n/a 2.27
6405-14-08SS 1-3/16-12 1.38 1/2-14 n/a 1.47
6405-14-12SS 1-3/16-12 1.38 3/4-14 n/a 1.60
6405-16-02SS 1-5/16-12 1.50 1/2-27 n/a 1.12
6405-16-04SS 1-5/16-12 1.50 1/4-18 n/a 1.12
6405-16-06SS 1-5/16-12 1.50 3/8-18 n/a 1.00
6405-16-08SS 1-5/16-12 1.50 1/2-14 n/a 1.47
6405-16-12SS 1-5/16-12 1.50 3/4-14 n/a 1.62
6405-16-16SS 1-5/16-12 1.63 1-11-1/2 n/a 1.90
6405-16-20SS 1-5/16-12 2.00 1-1/4-11-1/2 n/a 2.09
6405-16-24SS 1-5/16-12 2.38 1-1/2-11-1/2 n/a 2.28
6405-20-04SS 1-5/8-12 1.88 1/4-18 n/a 1.20
6405-20-06SS 1-5/8-12 1.88 3/8-18 n/a 1.20
6405-20-08SS 1-5/8-12 1.88 1/2-14 n/a 1.20
6405-20-12SS 1-5/8-12 1.88 3/4-14 n/a 1.20
6405-20-16SS 1-5/8-12 1.88 1-11-1/2 n/a 1.20
6405-20-20SS 1-5/8-12 2.00 1-1/4-11-1/2 n/a 1.95
6405-20-24SS 1-5/8-12 2.38 1-1/2-11-1/2 n/a 2.27
6405-24-12SS 1-7/8-12 2.13 3/4-14 n/a 1.00
6405-24-16SS 1-7/8-12 2.13 1-11-1/2 n/a 1.27
6405-24-20SS 1-7/8-12 2.13 1-1/4-11-1/2 n/a 1.85
6405-24-24SS 1-7/8-12 2.38 1-1/2-11-1/2 n/a 2.00
6405-32-20SS 2-1/2-12 2.75 1-1/4-11-1/2 n/a 1.43
6405-32-24SS 2-1/2-12 2.75 1-1/2-11-1/2 n/a 1.43
6405-32-32SS 2-1/2-12 2.88 2-11-1/2 n/a 2.23

6407 / 3474

Male ORB Adjustable Union (in inventory as 3474)

Part# I.D. (in) Threads Hex Thread hex/adj nut Length
6407-04-04SS 3474-04-04SS .172 7/16-20 .56 7/16-20 .56 1.37
6407-06-06SS 3474-06-06SS .297 9/16-18 .69 9/16-18 .69 1.50
6407-08-08SS 3474-08-08SS .391 3/4-16 .88 3/4-16 .88 1.56
6407-10-06SS 3474-10-06SS n/a 7/8-14 .69 9/16-18 1.00 1.55
6407-10-10SS 3474-10-10SS .484 7/8-14 1.00 7/8-14 1.00 1.80
6407-12-10SS 3474-12-10SS .609 1-1/16-12 1.00 7/8-14 1.25 1.97
6407-12-12SS 3474-12-12SS .609 1-1/16-12 1.25 1-1/16-12 1.25 2.33
6407-16-12SS 3474-16-12SS .844 1-5/16-12 1.25 1-1/16-12 1.50 2.28
6407-16-16SS 3474-16-16SS .844 1-5/16-12 1.50 1-5/16-12 1.50 2.28
6407-20-08SS 3474-20-08SS n/a 1-5/8-12 .88 3/4-16 1.88 2.08
6407-20-12SS 3474-20-12SS n/a 1-5/8-12 1.25 1-1/16-12 1.88 2.36
6407-20-20SS 3474-20-20SS 1.078 1-5/8-12 1.88 1-5/8-12 1.88 2.13
6407-20-24SS 3474-20-24SS n/a 1-5/8-12 2.13 1-7/8-12 2.13 2.50
6407-24-16SS 3474-24-16SS n/a 1-7/8-12 1.50 1-5/16-12 2.13 2.42
6407-24-24SS 3474-24-24SS 1.312 1-7/8-12 2.13 1-7/8-12 2.13 2.42
6407-32-32SS 3474-32-32SS 1.781 2-1/2-12 2.75 2-1/2-12 2.75 2.59

6408

Male ORB hex plug

Part# I.D. (in) Threads Hex/flat Length
6408-02SS .062 5/16-24 .44 .70
6408-03SS .125 3/8-24 .438 .73
6408-04SS .172 7/16-20 .50 .80
6408-05SS .234 1/2-20 .562 .80
6408-06SS .297 9/16-18 .625 .84
6408-08SS .391 3/4-16 .812 .94
6408-10SS .484 7/8-14 .938 1.100
6408-12SS .609 1-1/16-12 1.125 1.28
6408-14SS .719 1-3/16-12 1.25 1.31
6408-16SS .844 1-5/16-12 1.375 1.33
6408-20SS 1.078 1-5/8-12 1.688 1.45
6408-24SS 1.312 1-7/8-12 2.00 1.65
6408-32SS 1.781 2-1/2-12 2.625 2.05

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