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