MIL-DTL-55302/175C
TABLE I. Dash number, number of contacts, contact type and dimensions. 1/ 2/
A
B
C
D
E
Contact
Dash
No. of
Contact
ident. no.
number
contacts
type
01
20
I
1.750
1.450
1.050
9
.900
1-10
04
IV
(44.45)
(36.83)
(26.67)
(22.86)
05
I
2.250
1.950
1.550
14
1.400
1-15
08
30
IV
(57.15)
(49.53)
(39.37)
(35.56)
09
I
2.750
2.450
2.050
19
1.900
1-20
12
40
IV
(69.85)
(62.23)
(52.07)
(48.26)
13
I
3.250
2.950
2.550
24
2.400
1-25
16
50
IV
(82.55)
(74.93)
(64.77)
(60.96)
17
I
3.550
3.250
2.850
27
2.700
1-28
20
56
IV
(90.17)
(82.55)
(72.39)
(68.58)
21
I
3.750
3.450
3.050
29
2.900
1-30
24
60
IV
(95.25)
(87.63)
(77.47)
(73.66)
29
I
4.750
4.450
4.050
39
3.900
1-40
32
80
IV
(120.65)
(113.03)
(102.87)
(99.06)
37
I
5.750
5.450
5.050
49
4.900
1-50
40
100
IV
(146.05)
(138.43)
(128.27)
(124.46)
57
I
7.450
7.150
6.750
66
6.600
1-67
60
134
IV
(189.23)
(181.61)
(171.45)
(167.64)
65
I
8.250
7.950
7.550
74
7.400
1-75
68
150
IV
(209.55)
(201.93)
(191.77)
(187.96)
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
TABLE II. Contact plating requirements. 1/
Type
Finish requirement
A
Overall contact finish: Shall be gold in accordance with MIL-DTL-55302.
Localized contact finish: Contact engagement area shall have a minimum plating in
B
accordance with MIL-DTL-55302. Solder post area (contact type I, .195 minimum length; type
IV, .135 minimum length) shall be tin-lead over nickel in accordance with
MIL-DTL-55302.
1/ Type C finish is deleted and superseded by type A or B.
REQUIREMENTS:
Design and construction:
Dimensions and configurations: See figure 1 and table I.
Material: In accordance with MIL-DTL-55302.
Plating: See table II.
4
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