M27500 Cable (NEMA WC27500)

This specification covers the requirements for electronic control cables used in aircraft and missile applications. These cables may be constructed from a variety of insulating materials having different characteristics. These cables can be obtained in configurations up to 15 conductors with just a shield, or just a jacket, or both single and double shields and jackets. Conductor colors are specified and the cable must be identified by methods described in the body of M27500.

Specification Number	ID method of cable wire & shield coverage	Conductor Size	Basic wire specification	Numbers of wires in cable	Shield style & materials	Jacket Material
M27500	-	22	SD	3	T	23

Color Code for Shield Coverag 85%	Color Code for Shield Coverag 90%	M27500 Terminology	Component Wire Identification Method
-	C	Preferred method, Table A	White wires with colored stripes –stripe color per Table A
F	G	Preferred method, Table B	White wires with colored stripes –stripe color per Table B
A	D	Optional method A, Table A	Solid colored wire – colors per Table A
G	J	Optional method A, Table B	Solid colored wire – colors per Table B
B	E	Optional method B, Table C	Wires are the same color, based on AWG size (per Table C). Bands of contrasting color denotes wire number (per Table D)
K	M	Optional method C, Table C	Wires are the same color, based on AWG size (per Table C). Numbers of contrasting color printed to denote wire number
L	N	Optional method B, Table D	White wires with numbers of contrasting color printed on each wire to denote wire numbe

Wire Number	Color	Wire Number	Color	Wire Number	Color
1	White	6	Black	11	Blue/Blue
2	Blue	7	Yellow	12	Orange/Orange
3	Orange	8	Violet	13	Green/Green
4	Green	9	Gray	14	Red/Red
5	Red	10	Brown	15	Black/Black

Wire Number	Color	Wire Number	Color	Wire Number	Color
1	Red	6	Black	11	Red/White
2	Blue	7	Brown	12	Blue/White
3	Yellow	8	Orange	13	Yellow/White
4	Green	9	Violet	14	Green/White
5	White	10	Gray	15	Black/White

AWG Size	Color	AWG Size	Color	AWG Size	Color	AWG Size	Color
26	Black	18	White	10	Brown	2	Red
24	Blue	16	Blue	8	Red	1	White
22	Green	14	Green	6	Blue	1/0	Blue
20	Red	12	Yellow	4	Yellow	2/0	Green

Band Configuration	Wire Number	Band Configuration	Wire Number	Band Configuration	Wire Number
None	1	6 Narrow	6	1 Wide, 4 Narrow	11
2 Narrow	2	7 Narrow	7	1 Wide, 5 Narrow	12
3 Narrow	3	1 Wide, 1 Narrow	8	2 Wide, 1 Narrow	13
4 Narrow	4	1 Wide, 2 Narrow	9	2 Wide, 2 Narrow	14
5 Narrow	5	1 Wide, 3 Narrow	10	2 Wide, 3 Narrow	15

Symbol	Specification	Symbol	Specification	Symbol	Specification
CA	AS22759/13	ML	AS81044/12	ST	AS22759/46
CB	AS22759/14	MM	AS81044/13	SV	AS22759/47
CC	AS22759/15	MR	MIL-DTL-81381/7	SW	AS22759/48
DB*	AS22759/180	MS	MIL-DTL-81381/8	SX	AS22759/49
DC*	AS22759/181	MT	MIL-DTL-81381/9	SY	AS22759/50
DE*	AS22759/182	MV	MIL-DTL-81381/10	TA	AS22759/8
DF*	AS22759/183	MW	MIL-DTL-81381/11	TE	AS22759/16
DG*	AS22759/184	MY	MIL-DTL-81381/12	TF	AS22759/17
DH*	AS22759/185	NA	MIL-DTL-81381/13	TG	AS22759/18
DJ*	AS22759/186	NB	MIL-DTL-81381/14	TH	AS22759/19
DK*	AS22759/187	NE	MIL-DTL-81381/17	TK	AS22759/20
DL*	AS22759/188	NF	MIL-DTL-81381/18	TL	AS22759/21
DM*	AS22759/188	NG	MIL-DTL-81381/19	TM	AS22759/22
DN*	AS22759/190	NH	MIL-DTL-81381/20	TN	AS22759/23
DP*	AS22759/191	NK	MIL-DTL-81381/21	VA	AS22759/5
DR*	AS22759/192	NL	MIL-DTL-81381/22	WA	AS22759/6
E	AS22759/2	RA	AS22759/3	WB	AS22759/80
EA	AS22759/1	RB	AS22759/4	WC	AS22759/81
JA	MIL-DTL-81381/1	RC	AS22759/11	WE	AS22759/82
JB	AS22759/28	RE	AS22759/12	WF	AS22759/83
JC	AS22759/29	SA	AS22759/7	WG	AS22759/84
JD	AS22759/30	SB	AS22759/32	WH	AS22759/85
JE	AS22759/31	SC	AS22759/33	WJ	AS22759/86
JF	AS25038/3	SD	AS22759/34	WK	AS22759/87
LE	AS22759/9	SE	AS22759/35	WL	AS22759/88
LH	AS22759/10	SM	AS22759/41	WM	AS22759/89
ME	AS81044/6	SN	AS22759/42	WN	AS22759/90
MF	AS81044/7	SP	AS22759/43	WP	AS22759/91
MH	AS81044/9	SR	AS22759/44	WR	AS22759/92
MJ	AS81044/10	SS	AS22759/45

M27500 Cable (NEMA WC27500)

M27500 Cable (NEMA WC27500)

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