CR3101A, B, D, E, F, K

CR3101A Threaded adapter, non-environmental, less grommet
 CR3101B Threaded adapter, environmental, with grommet
 CR3101E Threaded adapter, environmental, less grommet

Shell Size		 A Coupling
Thread Class 2A		 L
Max.		 N
Max.		 V
Accessory Thread
Class 2A
8S 1/2-28 UNEF 1.469 (37.31) .844 (21.44) 1/2-28 UNEF
10S 5/8-24 UNEF 1.531 (38.89) .969 (24.61) 1/2-28 UNEF
10SL 5/8-24 UNEF 1.531 (38.89) 1.062 (26.97) 5/8-24 UNEF
12 3/4-20 UNEF 1.688 (42.88) 1.062 (26.97) 5/8-24 UNEF
12S 3/4-20 UNEF 1.688 (42.88) 1.062 (26.97) 5/8-24 UNEF
14 7/8-20 UNEF 2.062 (52.37) 1.156 (29.36) 3/4-20 UNEF
14S 7/8-20 UNEF 1.688 (42.88) 1.156 (29.36) 3/4-20 UNEF
16 1-20 UNEF 2.062 (52.37) 1.250 (31.75) 7/8-20 UNEF
16S 1-20 UNEF 1.688 (42.88) 1.250 (31.75) 7/8-20 UNEF
18 1 1/8-18 UNEF 2.062 (52.37) 1.344 (34.14) 1-20 UNEF
20 1 1/4-18 UNEF 2.188 (55.58) 1.496 (38.00) 1 3/16-18 UNEF
22 1 3/8-18 UNEF 2.188 (55.58) 1.594 (40.49) 1 3/16-18 UNEF
24 1 1/2-18 UNEF 2.312 (58.72) 1.719 (43.66) 1 7/16-18 UNEF
28 1 3/4-18 UNS 2.312 (58.72) 1.969 (50.01) 1 7/16-18 UNEF
32 2-18 UNS 2.438 (61.93) 2.219 (56.36) 1 3/4-18 UNS
36 2 1/4-16 UN 2.438 (61.93) 2.469 (62.71) 2-18 UNS
40 2 1/2-16 UN 2.438 (61.93) 2.719 (69.06) 2 1/4-16 UN
44 2 3/4-16 UN 2.562 (65.07) 2.969 (75.41) 2 1/2-16 UN
48 3-16 UN 2.562 (65.07) 3.219 (81.76) 3-16 UN
Dimensions are shown in Inches (mm).
CR3101D Two (2) piece backshell w/ MS3057*A clamp, non-environmental, less grommet
 CR3101F Two (2) piece backshell w/ MS3057*A clamp, environmental, with grommet ⊙
Shell
Size		 A
Coupling Thread
Class 2A		 LF
Max.		 N
Max.		 Y
±.020 (±0.51)		 Cable Range
Open Closed
10SL 5/8-24 UNEF 2.300 (58.42) 1.062 (26.97) .938 (23.83) .312(7.92) .125 (3.18)
12 3/4-20 UNEF 2.900 (73.66) 1.062 (26.97) .938 (23.83) .312(7.92) .125 (3.18)
12S 3/4-20 UNEF 2.500 (63.50) 1.062 (26.97) .938 (23.83) .312(7.92) .125 (3.18)
14 7/8-20 UNEF 2.900 (73.66) 1.156 (29.36) 1.125 (28.58) .438 (11.13) .250 (6.35)
14S 7/8-20 UNEF 2.500 (63.50) 1.156 (29.36) 1.125 (28.58) .438 (11.13) .250 (6.35)
16 1-20 UNEF 2.900 (73.66) 1.250 (31.75) 1.312 (33.32) .562 (14.27) .312 (7.92)
16S 1-20 UNEF 2.500 (63.50) 1.250 (31.75) 1.312 (33.32) .562 (14.27) .312 (7.92)
18 1 1/8-18 UNEF 2.900 (73.66) 1.344 (34.14) 1.312 (33.32) .625 (15.88) .350 (8.89)
20 1 1/4-18 UNEF 3.000 (76.20) 1.496 (38.00) 1.531 (38.89) .750 (19.05) .500 (12.70)
22 1 3/8-18 UNEF 3.000 (76.20) 1.594 (40.49) 1.531 (38.89) .750 (19.05) .500 (12.70)
24 1 1/2-18 UNEF 3.250 (82.55) 1.719 (43.66) 1.750 (44.45) .938 (23.83) .625 (15.88)
28 1 3/4-18 UNS 3.250 (82.55) 1.969 (50.01) 1.750 (44.45) .938 (23.83) .625 (15.88)
32 2-18 UNS 3.600 (91.44) 2.219 (56.36) 2.093 (53.16) 1.250 (31.75) .875 (22.23)
Dimensions are shown in Inches (mm).    ⊙ Plug has “O” ring under coupling nut.
CR3101K Two (2) piece backshell w/ MS3057*C clamp, environmental, less grommet

Shell Size		 A
 Coupling Thread
 Class 2A		 BB Max. L Max. N Max.
Cable Clamp		 Z Cable Range
K Series LCF Series Free Closed
10SL 5/8-24 UNEF .937(23.80) 2.300(58.42) 4.00(101.6) 1.062(26.97) MS3057-4C .312(7.92) .094(2.39)
12 3/4-20 UNEF .937(23.80) 2.900(73.66) 4.50(114.0) 1.062(26.97) MS3057-4C .312(7.92) .094(2.39)
12S 3/4-20 UNEF .937(23.80) 2.500(63.50) 4.00(101.6) 1.062(26.97) MS3057-4C .312(7.92) .094(2.39)
14 7/8-20 UNEF 1.062(26.97) 2.900(73.66) 4.50(114.0) 1.156(29.36) MS3057-6C .438 (11.13) .250(6.35)
14S 7/8-20 UNEF 1.062(26.97) 2.500(63.50) 4.00 101.6) 1.156(29.36) MS3057-6C .438 (11.13) .250(6.35)
16 1-20 UNEF 1.188(30.18) 2.900(73.66) 4.50(114.0) 1.250(31.75) MS3057-8C .531 (13.49) .312(7.92)
16S 1-20 UNEF 1.188(30.18) 2.500(63.50) 4.00(101.6) 1.250(31.75) MS3057-8C .531 (13.49) .312(7.92)
18 1 1/8-18 UNEF 1.312(33.32) 2.900(73.66) 4.69(119.0) 1.344(34.14) MS3057-10C .625 (15.88) .375(9.52)
20 1 1/4-18 UNEF 1.562(39.67) 3.000(76.20) 4.69(119.0) 1.496(38.00) MS3057-12C .750 (19.05) .500 (12.70)
22 1 3/8-18 UNEF 1.562(39.67) 3.000(76.20) 4.69(119.0) 1.594(40.49) MS3057-12C .750 (19.05) .500 (12.70)
24 1 1/2-18 UNEF 1.750(44.45) 3.250(82.55) 4.90(124.2) 1.719(43.66) MS3057-16C .938 (23.83) .594 (15.09)
28 1 3/4-18 UNS 1.750(44.45) 3.250(82.55) 5.13(130.0) 1.969(50.01) MS3057-16C .938 (23.83) .594 (15.09)
32 2-18 UNS 2.250(57.15) 3.600(91.44) 5.39(137.0) 2.219(56.36) MS3057-20C 1.250 (31.75) .938 (23.83)
Dimensions are shown in Inches (mm).