C
N
BC
N
B
BNC 50 ohm Amphenol®
Bulkhead Receptacles
115
Amphenol Corporation Tel: 800-627-7100 www.amphenolrf.com
Fig. 1 Fig. 2
Fig. 4
Description Terminal Dimensions, inches (mm) Notes Mtg. Military Amphenol Fig.
Type a b d e Plt. Ins. Hole Number Number
Front Mount, Isolated from Panel
Solder Cup 1.19(30.2) .500(12.7) .471(12.0) .187(4.8) P1 D22 Z — 31-10* 1
Solder Cup 1.18(30.0) .500(12.7) .471(12.0) .125(3.2) P1 D22 Z — 31-10-RFX 1
Front Mount Solder Cup 1.18(30.0) .500(12.7) .471(12.0) .187(4.8) P7 D22 Z —31-10-RFXG1 1
1.06(27.0) .500(12.7) .484(12.3) .125(3.2) P1 D1 U UG-1094/U 31-221* 2
1.06(27.0) .500(12.7) .472(12.0) .125(3.2) P7 D23 U — 31-221
-RFX
2
Front Mount Solder Cup 1.06(27.0) .500(12.7) .469(11.9) .156(4.0) P1 D1 T UG-625B/U 31-236* 2
1.19(30.2) .500(12.7) .481(12.3) .250(6.4) P1 D1 U UG-1094A/U 31-2221 2
Front Mount, Gold Plated Contact Solder Cup 1.19(30.2) .500(12.7) .484(12.3) .250(6.4) P34 D1 U
M39012/21-0002
31-3376* 2
Front Mount, Pressurized Solder Cup 1.30(32.9) .578(14.7) .594(15.1) .250(6.4) P1 D9 P UG-657A/U 31-239* 2
Front Mount, Pressurized Solder Cup 1.30(32.9) .578(14.7) .594(15.1) .250(6.4) P1 D9 P UG-657/U 31-102* 2
Fr. Mount, Gold Plated Contact Spade 1.20(30.6) .594(15.1) .516(13.1) .250(6.4) P33 D1 U
M39012/24-0002
31-4238* 2
Hermetic
External Tooth Lockwasher
Spade 1.20(30.6) .594(15.1) .516(13.1) .250(6.4) P1 D
1/11
U
UG-912/U
31-238* 2
Front Mount Solder Cup 1.06(27.0) .500(12.7) .472(12.0) .156(4.0) P1 D1 T UG-625/U 5575* 2
Rear Mount, Hermetic Spade 1.34(34.0) .687(17.4) .831(21.1) .250(6.4) P33
D1/11
Y
M39012/24-0001
31-4237* 3
Front Mount Isolated from Panel Solder Cup 1.06(27.0) .625(15.9) .571(14.5) .187(4.7) P4 D1 Y —31-4890-1 4
Metal Mounting Threads
BNC BULKHEAD RECEPTACLES
BNC Bulkhead Receptacle Isolated from Panel,
Solder Cup & Ground Tab Front Mount
31-10
31-10-RFX
31-10-RFXG1
5575
31-102
31-221
31-221-RFX
31-236
31-238
31-239
31-2221
31-3376
31-4238
BNC Bulkhead Receptacles
Front Mount
* recognized under the component program of U.L., Inc. distributor stocked
a
d
b
ground tab
.500(12.7) hex nut
lock washer
e
max panel
a
d
e
max panel
b
solder cup
.500(12.7) hex nut
lock washer
.375(9.5)
.342(8.7)
Z
.390(9.9)
.355(9.0)
U
.437(11.1)
.405(10.3)
T
.390(9.9)
.340(8.6)
P
solder cup
BNC Bulkhead Receptacle
Rear Mount
31-4237
BNC Bulkhead Receptacle
Isolated From Panel
Front Mount
31-4890-1
.510(13.0)
.475(12.1)
Y
.510(13.0)
.475(12.1)
Y
ab
d
b
a
d
e
max panel
Fig. 3
