BNC 50 ohm
Bulkhead Adapters
Amphenol®
Fig. 1
Fig. 2
.510(13.0)
.510(13.0)
.475(12.1)
.475(12.1)
Y
Y
c
c
b
b
a
a
e max. panel
e max. panel
BNC Bulkhead Adapters - Jack/Jack
4525
31-220G-RFX
31-220H
31-220N
31-220N-RFX
31-3220
BNC Isolated Bulkhead Adapters
Jack-Jack
31-4803
31-4803-1101
31-4803-RFX
BNC BULKHEAD ADAPTERS
Dimensions, inches (millimeters)
Notes
Mtg.
Hole
Military
Number
Amphenol
Number
Description
Fig
.
a
b
c
e
Plt. Ins.
Jack-Jack
Jack-Jack
Jack-Jack
Jack-Jack
1.40(35.6)
.687(17.45)
.683(17.3)
.187(4.8)
.281(7.1)
.295(7.5)
.160(4.1)
.187(4.8)
.216(5.5)
.187(4.8)
.187(4.8)
.187(4.8)
P1
D1
Y
Y
Y
Y
Y
Y
Y
Y
Y
UG-492A/U
31-220H *‡
31-3220*
1
1
1
1
1
1
2
2
2
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Sealed, 50 PSI
1.53(38.9)
1.56(39.6)
1.40(35.6)
1.40(35.6)
1.28(32.5)
1.28(32.5)
1.28(32.5)
1.28(32.5)
.688(17.5)
.689(17.5)
.800(20.3)
.800(20.3)
.610(15.5)
.625(15.9)
.625(15.9)
.625(15.9)
.672(17.0)
.681(17.3)
.659(16.7)
.664(16.9)
.492(12.5)
.460(11.7)
.460(11.7)
.460(11.7)
P4
P7
P1
P1
P7
P1
D1
UG-492D/U
D23
D1
—
—
—
—
—
—
—
31-220G-RFX
4525*
Gasketed
D1
31-220N
Non-sealed
Jack-Jack
Jack-Jack
D23
D12
31-220N-RFX
31-4803
Isolated from Panel
P15 D12
P15 D12
31-4803-1101
31-4803-RFX
distributor stocked ‡ IBM 5252764
* recognized under the component program of U.L, Inc. ꢀꢀ
Amphenol Corporation Tel: 800-627-7100
www.amphenolrf.com
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