INCH-POUND
MIL-DTL-55021D
18 July 2011
SUPERSEDING
MIL-DTL-55021C
11 August 2000
DETAIL SPECIFICATION
CABLE, ELECTRICAL, SHIELDED SINGLES, SHIELDED AND
JACKETED SINGLES, TWISTED PAIRS AND TRIPLES, INTERNAL HOOKUP,
GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers electrical cables consisting of unshielded and unjacketed,
shielded, jacketed, or shielded and jacketed twisted pairs and triples, and shielded or shielded and
jacketed singles. The cable is intended for internal wiring of electrical equipment for application
temperatures of -40 to 105 degrees Centigrade (°C), or -65 to 200 °C. Cables constructed with polyvinyl
chloride (PVC) - insulated wires or jackets are not to be used for aerospace applications.
1.2 Classification.
1.2.1 Type designation. The type designation of cable consists of the following form, and as
specified (see 6.2):
B
24
C
904
-
903
-
902
P
Covering over component
Color of
Color of
Color of
wire(s) (see 1.2.1.5)
1st wire
2nd wire
3rd wire
(see 1.2.1.4)
(see 1.2.1.4)
(see 1.2.1.4)
Conductor material (see 1.2.1.3)
Conductor size (see 1.2.1.2)
Wire type (see 1.2.1.1)
Type designation example: B24C904-903-902P (MIL-DTL-16878/1 type wire; 24 AWG conductor size;
copper material; 1st wire white base color, black first stripe, yellow second stripe; 2nd wire white base
color, black first stripe, orange second stripe; 3rd wire white base color, black first stripe, red second
stripe; covered with polyvinyl chloride jacket).
Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAI,
P.O. Box 3990, Columbus, OH 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
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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