MIL-DTL-641/9E
TABLE I. Dimensions.
Center to center dimensions for
multiple mounting on panel
In direction of At right angle to
Type
A max
pileup (min)
pileup (min)
JJ-079
1.125
1.250
JJ-081
1.250
1.375
.688
JJ-082
.938
1.188
JJ-106
.875
1.250
REQUIREMENTS:
Dimensions and configuration: See figure 1.
Insertion and withdraw forces shall be as follows.
Insertion force -
7 pounds (maximum).
Withdraw force -
1.5 pounds (minimum).
-
7 pounds (maximum).
Spring life test is applicable. Test plug TP51, in accordance with MIL-DTL-641, shall be used.
Ground terminal shall be placed on top of pileup, as shown in schematic.
The Part or Identifying Number (PIN) consists of the letter M, the basic specification number, the
specification sheet number, and a number for jack type. (see table II)
M
641
/9
-
1
Type designation
Specification sheet number
Specification number
M prefix
PIN example: M641/9-1 indicates type JJ-079 telephone jack.
TABLE II. PIN.
Type
Switching action upon insertion
Dash number
Connection
Mounting
designation
of plug
1
JJ-079
Three breaks
2
JJ-081
One break, one make
Tip, ring and
Single lug or
sleeve
bushing
3
JJ-082
Two breaks
4
JJ-106
One break
2