4
Receptacle Shell, Flange Wall Mount,
Threaded Coupling
Military No. MS3450
Amphenol/Matrix No. 9440
To complete order number see how to order, page 29.
* Consult Amphenol, Sidney, NY for availability of shell sizes 44 and 48.
Shell
Size*
A
±.031 B
C Dia.
+.010
–.005 D Max.
E
Dia.
Max. F
G
MIn.
H
Thread
Class 2A
J
Thread
Class 2A K
L
Dia.
±.010
Class
A, F, R, W
Class
K
Size
16 & 12
Contacts
Size
8, 4, 0
Contacts
8S .875 .594 .120 .150 2.031 – .305 .593/.562 .290 .5000-20 UNEF .5000-28 UNEF .083 .562
10S 1.000 .719 .120 .150 2.031 – .405 .593/.562 .290 .6250-24 UNEF .6250-24 UNEF .083 .688
10SL 1.000 .719 .120 .150 2.031 – .405 .593/.562 .290 .6250-24 UNEF .6250-24 UNEF .083 .688
12 1.094 .812 .120 .150 2.125 – .549 .781/.750 .290 .7500-20 UNEF .7500-20 UNEF .083 .812
12S 1.094 .812 .120 .150 2.031 – .549 .593/.562 .290 .7500-20 UNEF .7500-20 UNEF .083 .812
14 1.188 .906 .120 .150 2.125 – .665 .781/.750 .290 .8750-20 UNEF .8750-20 UNEF .083 .938
14S 1.188 .906 .120 .150 2.031 – .665 .593/.562 .290 .8750-20 UNEF .8750-20 UNEF .083 .938
16 1.281 .969 .120 .150 2.125 2.500 .790 .781/.750 .290 1.0000-20 UNEF 1.0000-20 UNEF .083 1.062
16S 1.281 .969 .120 .150 2.031 – .790 .593/.562 .290 1.0000-20 UNEF 1.0000-20 UNEF .083 1.062
18 1.375 1.062 .120 .177 2.125 2.500 .869 .781/.750 .290 1.0625-18 UNEF 1.1250-18 UNEF .125 1.188
20 1.500 1.156 .120 .177 2.125 2.500 .994 .781/.750 .290 1.1875-18 UNEF 1.2500-18 UNEF .125 1.312
22 1.625 1.250 .120 .177 2.125 2.500 1.119 .781/.750 .290 1.3125-18 UNEF 1.3750-18 UNEF .125 1.438
24 1.750 1.375 .147 .177 2.125 2.500 1.244 .843/.812 .290 1.4375-18 UNEF 1.5000-18 UNEF .125 1.562
28 2.000 1.562 .147 .177 2.125 2.500 1.465 .843/.812 .467 1.7500-18 UNS 1.7500-18 UNS .125 1.812
32 2.250 1.750 .173 .209 2.125 2.500 1.715 .906/.875 .467 2.0000-18 UNS 2.0000-18 UNS .125 2.062
36 2.500 1.938 .173 .209 2.125 2.500 1.930 .906/.875 .467 2.2500-16 UN 2.2500-16 UN .125 2.312
40 2.750 2.188 .173 .209 2.125 2.500 2.145 .906/.875 .467 2.5000-16 UN 2.5000-16 UN .125 2.562
MS/Standard
MS3450
wall mounting receptacle