MIL-DTL-287/4H
TABLE I. Flexible, nontwistable waveguide assemblies - Continued.
Flexure (degrees/ft)
Retention
Operating
Mates with
1x105 cycles
Jacket
force
temp
standard rigid
material
(lbf)
range
waveguide
Flanges
-55oC to
M85/1-
E plane
H plane
Flange 1
Flange 2
Material
M3922/( )
M3922/( )
3/
+100oC
114.50
57.25
Neoprene
N/A
089
53-005 (cover)
53-005 (cover)
Cu
+100oC
114.50
57.25
Neoprene
N/A
090
53-006 (cover)
53-006 (cover)
Al
+100oC
114.50
57.25
Neoprene
N/A
089
59-001 (choke)
53-005 (cover)
Cu
+100oC
114.50
57.25
Neoprene
N/A
090
59-002 (choke)
53-006 (cover)
Al
+100oC
114.50
57.25
Neoprene
N/A
089
59-001 (choke)
59-001 (choke)
Cu
+100oC
114.50
57.25
Neoprene
N/A
090
59-002 (choke)
59-002 (choke)
Al
+65oC
114.50
57.25
Plastic
N/A
090
53-006 (cover)
53-006 (cover)
Al
+100oC
4/
4/
Neoprene
N/A
089
53-005 (cover)
53-005 (cover)
Cu
+100oC
137.50
68.75
Neoprene
N/A
102
54-001 (cover)
54-001 (cover)
Cu
+100oC
137.50
68.75
Neoprene
N/A
103
54-002 (cover)
54-002 (cover)
Al
+100oC
137.50
68.75
Neoprene
N/A
102
59-003 (choke)
54-001 (cover)
Cu
+100oC
137.50
68.75
Neoprene
N/A
103
59-004 (choke)
54-002 (cover)
Al
+100oC
137.50
68.75
Neoprene
N/A
102
59-003 (choke)
59-003 (choke)
Cu
+100oC
137.50
68.75
Neoprene
N/A
103
59-004 (choke)
59-004 choke)
Al
+100oC
4/
4/
Neoprene
N/A
102
54-001 (cover)
54-001 (cover)
Cu
1/ The complete part number shall be the number shown and a four-digit number indicating the nominal
relaxed length in inches.
2/ The VSWR value for any length between the lengths specified shall be the next higher value (e.g. for a
15-inch length of M287/4-01, the VSWR would be 1.06:1).
3/ Cu = copper alloy, Al = aluminum alloy.
6
5
4/ The assemblies are constructed from beryllium copper and the flexure cycle is 10 rather than 10 . All
other characteristics are as listed.
5
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