MIL-DTL-55302/170B
PIN: Consists of the letter M, the basic number of the specification sheet, and a dash number compiled
as follows:
B
18
Y
2
M55302/170
Example:
Specification sheet number
Number of rows (indicator)
(see table I for row indicator)
Number of contacts per row
(see table I for contact indicator)
.150 ± .025 contact tail termination length
(see table II for indicator)
Gold plated contact tails
(see table III for indicator)
User instructions: Each shipment of connectors shall include, as a minimum, instructions for
coupling/mounting bushing usage, polarization key usage and electrical probing information.
TABLE I. Indicators and dimensions.
2 Contact rows
3 Contact rows
4 Contact rows
Dimensions 1/
Indicator
Total
Indicator
Total
Indicator
Total
Total
2/
contacts
2/
contacts
2/
contacts
Indicator
contacts
Indicator
2/
2/
2/
A10
20
B10
30
C10
40
1.680
1.350
1.120
(42.67)
(34.29)
(28.45)
A11
22
B11
33
C11
44
1.780
1.450
1.220
(45.21)
(36.83)
(30.99)
A12
24
B12
36
C12
48
1.880
1.550
1.320
(47.75)
(39.33)
(33.53)
A13
26
B13
39
C13
52
1.980
1.650
1.420
(50.29)
(41.91)
(36.07)
A14
28
B14
42
C14
56
2.080
1.750
1.520
(52.83)
(44.45)
(38.61)
A15
30
B15
45
C15
60
2.180
1.850
1.620
(55.37)
(46.99)
(41.15)
A16
32
B16
48
C16
64
2.280
1.950
1.720
(57.91)
(49.53)
(43.69)
A17
34
B17
51
C17
68
2.380
2.050
1.820
(60.45)
(52.07)
(46.23)
A18
36
B18
54
C18
72
2.480
2.150
1.920
(62.99)
(54.61)
(48.77)
A19
38
B19
57
C19
76
2.580
2.250
2.020
(65.53)
(57.15)
(51.31)
A20
40
B20
60
C20
80
2.680
2.350
2.120
(68.07)
(59.69)
(53.85)
A21
42
B21
63
C21
84
2.780
2.450
2.220
(70.61)
(62.23)
(56.39)
A22
44
B22
66
C22
88
2.880
2.550
2.320
(73.15)
(64.77)
(58.93)
A23
46
B23
69
C23
92
2.980
2.650
2.420
(75.69)
(67.31)
(61.47)
A24
48
B24
72
C24
96
3.080
2.750
2.520
(78.23)
(69.85)
(64.01)
A25
50
B25
75
C25
100
3.180
2.850
2.620
(80.77)
(72.39)
(66.55)
See footnotes at end of the table
6
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