MIL-A-22641/18A
TABLE I. Adapters, coaxial to waveguide (class III - .875 inch).
VSWR
VSWR'
Frequency
Maximum
Part
UG type
Housing
Cover
over
over
Coupling
range
number
waveguide
flange
entire
50%
A
B
(mc)
freq.
freq.
1/
range
range
M22641/18-01
UG-403/U
M85/1-063
UG-344/U
2.250
2.625
5,850-
1.3
1.2
F
RG-50/U
(57.15)
(66.68)
8,200
M22641/18-02
UG-520/U
M85/1-063
UG-344/U
2.250
3.250
5,850-
1.3
1.2
M
RG-50/U
(57.15)
(82.55)
8,200
M22641/18-03
UG-445/U
M85/1-039
UG-53/U
3.500
4.625
2.600-
1.3
1.25
M
RG-48/U
(88.90)
(117.48)
3,950
M22641/18/04
UG-523/U
M85/1-039
UG-53/U
3.500
4.000
2,600-
1.3
1.25
F
RG-48/U
(88.90)
(101.60)
3,950
M22641/18-05
UG-521/U
M85/1-051
UG-149A/U
3.000
3.625
3,950-
1.3
1.2
M
RG-49/U
(76.20)
(92.08)
5,850
M22641/18-06
UG-404/U
M85/1-051
UG-149A/U
2.625
3.000
3,950-
1.3
1.2
F
RG-49/U
(66.68)
(76.20)
5,850
M22641/18-07
UG-1647/U
M85/1-065
UG-441/U
2.250
2.625
5,850-
1.3
1.2
F
RG-106/U
(57.15)
(66.68)
8,200
M22641/18/08
UG-1648/U
M85/1-065
UG-441/U
2.250
3.250
5,850-
1.3
1.2
M
RG-106/U
(57.15)
(82.55)
8,200
M22641/18-09
UG-1649/U
M85/1-041
UG-584/U
3.500
4.625
2,600-
1.3
1.25
M
RG-75/U
(88.90)
(117.48)
3,950
M22641/18-10
UG-1650/U
M85/1-041
UG-584/U
3.500
4.000
2,600-
1.3
1.25
F
RG-75/U
(88.90)
(101.60)
3,950
M22641/18-11
UG-1651/U
M85/1-053
UG-407/U
3.000
3.625
3,950-
1.3
1.2
M
RG-95/U
(76.20)
(92.08)
5,850
M22641/18/12
UG-1652/U
M85/1-053
UG-407/U
2.625
3.000
3,950
1.3
1.2
F
RG-95/U
(66.68)
(76.20)
5,850
1/ Cover flange in accordance with MIL-DTL-3922.
REQUIREMENTS:
Dimensions and configuration: See figure 1 and table I. The coaxial end shall be equivalent to the
standard female coupling UG-141/U or male coupling UG-140/U and shall be capable of properly
mating with UG-140/U or female coupling UG-141/U, respectively, as specified (see table I).
(Bureau of Ships drawings REA49334 and REA49335 or equivalent)
VSWR: See table I.
Frequency range: See table I.
2