MIL-DTL-13253/4B
REQUIREMENTS
Dimensions and configuration: See figure 1 and drawing SC-D-14651.
Handset type: H-23( )/U includes the following:
Switch Assembly, Drawing SC-C-105975, Group II
Handle, Handset Assembly, Drawing SC-D-105992
Cord Assembly, CD-494, Drawing SC-DL-76644
Terminal (3) (Brass), Drawing SC-B-105977
Receiver, Drawing SC-B-105976-2
Transmitter, Drawing SC-B-22556
Cap, Transmitter (Plastic), Drawing SC-C-22547
Cap, Receiver (Plastic), Drawing SC-C-22546
Screw (2), 100-3B4-4
Wire, Drawing SC-C-14651-1
Plugs (2) PJ-068 (MIL-DTL-642/5) and PJ-055B (MIL-P-642/4)
Impedance: Earphone - 256 ohms
Microphone - 28 ohms
Cord or Cordage: Cord Assembly CD-494 (2 Plugs), drawing SC-DL-76644
Part or Identifying Number (PIN): Consists of the letter "M" followed by the basic number of this
specification sheet and a dash number with the contract-assigned type-letter, H-23(C)/U, added as
follows:
Example:
M13253/4-01(C)
↓
↓
Basic
Dash No. followed
Document No.
by Type-Letter
Changes from previous issue. The margins of this specification sheet are marked with vertical lines to
indicate where changes from the previous issue were made. This was done as a convenience only and
the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and
contractors are cautioned to evaluate the requirements of this document based on the entire content
irrespective of the marginal notations and relationship to the last previous issue.
Referenced documents. In addition to MIL-DTL-13253, this document references the following:
MIL-P-642/4
SC-C-22546
SC-C-105975
MIL-DTL-642/5
SC-C-22547
SC-B-105976-2
SC-D-14651
SC-B-22556
SC-B-105977
SC-C-14651-1
SC-DL-76644
SC-D-105992
2
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