Contacts
(Insert arrangement 21-24)

Contact
position ID

Contact location

Contact
position
ID

Contact location

X-axis (mm)

Y-axis (mm)

X-axis (mm)

Y-axis (mm)

A

~.175 (4.45)

~.375 (9.53)

N

~.150 (3.81)

~.200 (5.08)

B

~.350 (8.89)

~.200 (5.08)

P

~.250 (6.35)

~.000 (0.00)

C

~.400 (10.16)

~.000 (0.00)

R

~.200 (5.08)

-.150 (3.81)

D

~.350 (8.89)

-.200 (5.08)

S

~.075 (1.91)

-.250 (6.35)

E

~.200 (5.08)

-.350 (8.89)

T

-.075 (1.91)

-.250 (6.35)

F

~.000 (0.00)

-.400 (10.16)

U

-.200 (5.08)

-.150 (3.81)

G

-.200 (5.08)

-.350 (8.89)

V

-.250 (6.35)

~.000 (0.00)

H

-.350 (8.89)

-.200 (5.08)

W

-.150 (3.81)

~.200 (5.08)

J

-.400 (10.16)

~.000 (0.00)

X

~.000 (0.00)

~.150 (3.81)

K

-.350 (8.89)

~.200 (5.08)

Y

~.100 (2.54)

~.025 (0.64)

L

-.175 (4.45)

~.375 (9.53)

Z

~.000 (0.00)

-.100 (2.54)

M

~.000 (0.00)

~.300 (7.62)

a

-.100 (2.54)

~.025 (0.64)

 

Shell size

Arrangement
no.

Number of contacts

Size
contacts

Service
rating

Contact location

Supersedes

21

-24

24

20

I

All

MS20055-24

 

FIGURE 7. Insert arrangement, electrical connector, shell size 21 (Series I, III, IV of MIL-DTL­38999, Series I of MIL-DTL-27599, and Series A of MIL-C-29600)