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HOW TO ORDER
• Order by ap plicable 88/91 part number in t able below.
88 prefix designate s olive drab cadmium plated conn ector shell.
91 prefix designates electroless nickel plated connector shell.
• Add insert arrangement to end of number. Refer to insert availability chart on page 4 and
pin-out illustrations on pages 5-24. Last letter of part number designates rotation; P for
pins in normal position, S for sockets in normal position. See page 25 for alternate rota-
tion letter to use.
Example part number: 88-569751-35P designates shell size 8 with a 8-35 insert and pin
contacts in nor m a l po s i tion .
• Z dimensi on is determined by contac t type in the insert arrangement.
• Most common options are sh own; other options are availab l e.
All dimensio ns for reference only.
Shell
Siz e Par t N u m ber
A*
+.000
–.010 C
Max.
H Hex
+.017
–.016 L
Max. M
±.005
N
+.001
–.005 S
±.016
T*
+.010
–.000
V Thread
Class 2A
(Plated)
RR Thread
Class 2A
(Plated)
Z
Size
16 & 20
Contacts Size 22D
Contacts
8 88/91-56975 1-XXX .830 1.390 1.062 .453 .438 .473 1.250 .884 .4375-28 U NEF .8750-20 U NEF .272 – .200 .283 – .178
10 752-XXX .955 1.515 1.188 .453 .438 .590 1.375 1.007 .5625-24 UNEF 1.0000-20 UNEF .272 – .200 .283 – .178
12 753-XXX 1.084 1.640 1.312 .453 .438 .750 1.500 1.134 .6875-24 UNEF 1.1250-18 UNEF .272 – .200 .283 – .178
14 754-XXX 1.208 1.765 1.438 .453 .438 .875 1.625 1.259 .8125-20 UNEF 1.2500-18 UNEF .272 – .200 .283 – .178
16 755-XXX 1.333 1.953 1.562 .453 .438 1.000 1.781 1.384 .9375-20 UNEF 1.3750-18 UNEF .272 – .200 .283 – .178
18 756-XXX 1.459 2.031 1.688 .453 .438 1.125 1.890 1.507 1.0625-18 UNEF 1.5000-18 UNEF .272 – .200 .283 – .178
20 757-XXX 1.576 2.156 1.812 .422 .464 1.250 2.016 1.634 1.1875-18 UNEF 1.6250-18 UNEF .272 – .200 .283 – .178
22 758-XXX 1.701 2.280 2.000 .422 .464 1.375 2.140 1.759 1.3125-18 UNEF 1.7500-18 UNS .272 – .200 .283 – .178
24 759-XXX 1.826 2.405 2.125 .422 .464 1.500 2.265 1.884 1.4375-18 UNEF 1.8750-16 UN .272 – .200 .283 – .178
MIL-DTL-38999 Series II Type Connectors
with PCB contacts
JT07R jam nut receptacle
★.059 dia. min. 3 lockwire holes.
Formed lockwire hole design (6 holes) is optional.
* “D” shaped mounting hole dimens ions
H
C
T*
S (2 PLACES)
N
RR
THREAD
L
.062 ± .001 DIA. FOR SIZE 16 CONTACTS
.019 ± .001 DIA.
FOR SIZES 20 & 22D CONTACTS
Z
PCB TAIL STICKOUT
M
.094
.062 MIN.
.109 MAX. PANEL THICKNESS
V THREAD
+ .011
– .010
