MIL-DTL-642/2C
The Part or Identifying Number (PIN) consists of the letter M, the basic specification number, the
specification sheet number, and dash number for plug type. (see table I)
M
642
/2
-
1
Type designation
Specification sheet number
Specification number
M prefix
PIN example: M642/2-1 indicates type PJ-051B telephone plug.
TABLE I. PIN.
Type designation
Shell material
Dash number
PJ-051B
Black plastic
1
PJ-051R
Red plastic
2
Marginal notations are not used in this revision to identify changes with respect to the previous issue due
to the extent of the changes.
Referenced documents. In addition to MIL-DTL-642 this document references the following:
MIL-DTL-642/12
CONCLUDING MATERIAL
Custodians:
Preparing activity:
Army CR
DLA - CC
Navy EC
Air Force 85
(Project 5935-2013-046)
DLA - CC
Review activities:
Army AT, AV, CR4, MI
Navy AS, MC, OS, SH
Air Force 19, 99
NOTE: The activities listed above were interested in this document as of the date of this document.
Since organizations and responsibilities can change, you should verify the currency of the information
above using the ASSIST Online database at https://assist.dla.mil .
3