INCH-POUND
MIL-DTL-55446D
9 November 2011
SUPERSEDING
MIL-DTL-55446C
21 November 2006
DETAIL SPECIFICATION
CABLES, TELEPHONE, SWITCHBOARD: PLASTIC INSULATED, PLASTIC JACKETED
Inactive for new design after 16 June 1997.
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers plastic insulated, plastic jacketed, telephone switchboard
cables consisting of number 22 AWG conductors in combinations of pairs and singles ranging from
4 pairs to 201 pairs (see 1.2).
1.2 Classification. The types of switchboard cables (see 6.2) covered by this specification are listed
in table I.
TABLE I. Switchboard cable types.
Number of pairs
Total number
Maximum average overall
and singles
of conductors
diameter of finished cables
1/
(No.22 AWG)
inches (mm)
4 pairs
8
.360 (9.14)
5 pairs, 5 singles
15
.440 (11.18)
6 pairs
12
.390 (9.91)
8 pairs, 8 singles
24
.480 (12.19)
10 pairs, 10 singles
30
.540 (13.72)
11 pairs
22
.470 (11.94)
16 pairs
32
.530 (13.46)
20 pairs
40
.560 (14.22)
20 pairs, 10 singles
50
.610 (15.49)
20 pairs, 20 singles
60
.660 (16.76)
25 pairs
50
.610 (15.49)
26 pairs, 26 singles
78
.720 (18.29)
30 pairs
60
.640 (16.26)
40 pairs
80
.720 (18.29)
41 pairs, 41 singles
123
.830 (21.08)
51 pairs
102
.800 (20.32)
76 pairs
152
.910 (23.11)
101 pairs
202
1.030 (26.16)
101 pairs, 100 singles
302
1.250 (31.75)
201 pairs
402
1.410 (35.81)
1/ Dimensions are in inches. Metric equivalents are given for information only.
Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, ATTN:
VAI, P.O. Box 3990, Columbus, Ohio 43218-3990, or email to WireCable@dla.mil. Since contact information can
change, you may want to verify the currency of this address information using the ASSIST Online database at
AMSC N/A
FSC 6145
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