MIL-Spec

Mil-W-16878
Mil-W-22759
Mil-W-5086
Mil-W-76
Mil-W-81044
Mil-W-81381
Mil-W-81822
Mil-C-17
Mil-C-7078
Mil-C-27072
Mil-C-27500
Mil-C-55021

MIL-W-16878

MIL-W-16878 covers unshielded wire for hook-up and lead wiring of electrical and electronic components and equipment.

Part number nomenclature
Example: M-16878/4-B-C-B-9

Specification number

Conductor material
A = Bare copper
B = Plated copper
C = Plated copper-covered steel
D = Plated, high-strength copper alloy

MIL-W-27500

The MIL-W-27500 specification is commonly used to describe both shielded and unshielded cable constructions for avionics, aerospace and airframe applications. The specification allows the user a wide variety of construction choices. Circuit identification, conductor size, insulation type, number of conductors, shielding material and jacket compound may all be specified using this information. Single conductor, twisted pairs and multiconductor cables through 10 components are all included.

Specification Number: All cables carry this prefix

Identification Method of Primary Wire
Number of Wire in Cable	Color of Helical Stripe or Insulation
	Wire Number
	1	2	3	4	5	6	7	8	9	10
1	White
2	White	Blue
3	White	Blue	Orange
4	White	Blue	Orange	Green
5	White	Blue	Orange	Green	Red
6	White	Blue	Orange	Green	Red	Black
7	White	Blue	Orange	Green	Red	Black	Yellow
8	White	Blue	Orange	Green	Red	Black	Yellow	Violet
9	White	Blue	Orange	Green	Red	Black	Yellow	Violet	Gray
10	White	Blue	Orange	Green	Red	Black	Yellow	Violet	Grey	Brown

Conductor Size: Identifies Wire AWG

Basic Wire Specifications
Symbol	Wire	Insulation
A	MIL-W-5086/1	PVC/NYLON, 105°C / 600V
B	MIL-W-5086-2	PVC/NYLON/BRAIDS, 105°C / 600V
AA	MIL-W-5086/5	PVC/KYNAR, 110°C / 600V
AB	MIL-W-5086/6	PVC/KYNAR, 100°C / 600V
AD	MIL-W-5086/7	PVC/NYLON, 150°C / 600V
H	MIL-W-8777	SILICON/BRAIDED, 200°C / 600V
F	MIL-W-8777	SILICON/FEP, 200°C / 600V
VA	MIL-W-22759/5	MIN. FILLED PTFE, 200°C / 600V
WA	MIL-W-22759/6	MIN. FILLED PTFE, 260°C / 600V
SA	MIL-W-22759/7	MIN. FILLED PTFE, 200°C / 600V
TA	MIL-W-22759/8	MIN.FILLED PTFE, 260°C / 600V
LE	MIL-W-22759/9	PTFE, 200°C / 1000V
LH	MIL-W-22759/10	PTFE, 260°C / 1000V
RC	MIL-W-22759/11	PTFE, 200°C / 600V
RE	MIL-W-22759/12	PTFE, 260°C / 600VX
TE	MIL-W-22759/16	TEFZEL, 150°C / 600V
TF	MIL-W-22759/17	TEFZEL, 150°C / 600V
TG	MIL-W-22759/18	TEFZEL, 150°C / 600V
TH	MIL-W-22759/19	TEFZEL, 150°C / 600V
TK	MIL-W-22759/20	PTFE, 200°C / 1000V
TL	MIL-W-22759/21	PTFE, 260°C / 1000V
TM	MIL-W-22759/22	PTFE, 200°C / 600V
TN	MIL-W-22759/23	PTFE, 260°C / 600C
SB	MIL-W-22759/32	XL TEFZEL, 150°C / 600V
SC	MIL-W-22759/33	XL TEFZEL, 200°C / 600V
SD	MIL-W-22759/34	XL TEFZEL, 150°C / 600V
SE	MIL-W-22759/35	XL TEFZEL, 200°C / 600V
SMD	MIL-W-22759/41	XL TEFZEL, 200°C / 600V
SN	MIL-W-22759/42	XL TEFZEL, 200°C / 600V
SP	MIL-W-22759/43	XL TEFZEL, 200°C / 600V
SR	MIL-W-22759/44	XL TEFZEL, 200°C / 600V
SS	MIL-W-22759/45	XL TEFZEL, 200°C / 600V
ST	MIL-W-22759/46	XL TEFZEL, 200°C / 600V
MG	MIL-W-81044/8	XL POLY/KYNAR, 150°C / 600V
MH	MIL-W-81044/9	XL POLY/KYNAR, 150°C / 600V
MJ	MIL-W-81044/10	XL POLY/KYNAR, 150°C / 600V
MK	MIL-W-81044/11	XL POLY/KYNAR, 150°C / 600V
ML	MIL-W-81044/12	XL POLY/KYNAR, 150°C / 600V
MM	MIL-W-81044/13	XL POLY/KYNAR, 150°C / 600V

Number of Conductor: M27500 currently specifies from 1 to 10 conductors for shielded and jacketed cables, and from 2 to 10 for unshielded, unjacketed or unshielded, jacketed cables

Shield
Single Shield	Double Shield	Shield Material	Temp °C
U	-	NOT SHIELDED
T	V	T-C COPPER	150°
S	W	S-C COPPER	200°
N	Y	N-C COPPER	260°
F	Z	STAINLESS STEEL	400°
°	R	NICKLE-CLAD CPR.	400°
M	K	SCHSCA	200°
	L	NCHSCA	260°
G	A	S-C COPPER, FLAT	200°
H	B	SCHSCA, FLAT	200°
J	D	T-C COPPER, FLAT	150°
E	X	NCHSCA, FLAT	260°

Jacket Type
Single Shield	Double Shield	Jacket Material
00	00	No Jacket
01	51	Extruded White PVC
02	52	Extruded Clear Nylon
03	53	White Nylon Braid over Mylar
04	54	Polyester Braid over Mylar
05	55	Extruded Clear FEP
06	56	PTFE Tape Wrap
07	57	PTFE Coated Glass Braid over PTFE Tape
08	58	XL White Extruded Kynar
09	59	Extruded Wht FEP
10	60	Clear Kynar
14	64	Extruded White Tefzel
15	65	Extruded Clear Tefzel
17	67	Extruded White Halar
18	68	Extruded Clear Halar
20	70	White PFA Jacket
21	71	Clear PFA
23	73	IR Modified Tefzel

MIL-C-22759

Astro can provide unshielded "U" and unjacketed "00" versions of MIL-C-27500 for any requirement using MIL-W-22759 Wire.

Mil-C-7078
Mil-I-22129 Polytetrafluoroethylene
Mil-I-23053 Polyolefin, Dual Walls, Kynar, Viton
Mil-I-3190
Mil-I-631
Mil-I-7444
Mil-R-46846
Mil-S-83519 Solder Sleeves
QQ-W-343 Bus Bar
QQ-B-575 Braid

Conductor Size
Letter	A	B	C	D	E	F	G	H	J	K	L	M	N	P	R	S	T	U	W	Y	Z
AWG	32	30	28	26	24	22	20	18	16	14	12	10	8	6	4	2	1	0	00	000	0000

Conductor Stranding
Letter	A	B	C	D	E	F	G	H	J	K	L	M	N	P	R	S	T	U	W
No. of Strands	1 (solid)	7	10	16	19	26	37	41	65	105	133	259	427	665	817	1045	1330	1672	2109

Color
Number	0	1	2	3	4	5	6	7	8	9
Color	Black	Brown	Red	Orange	Yellow	Green	Blue	Violet	Gray	White

MIL-W-27500 is not a QPL item, however, the basic component wire is. The producer of the cable must be a qualified source under the basic wire specification or produce evidence that qualified wire was used in the construction of the cable. The following is a summary of the major construction features of the specification. Please refer to MIL-W-27500 for complete performance and test details.

Part Number Nomenclature
Example: *M27500-22RC3S06*
M27500	-	22	RC	3	S	06
Specification Number	Identification Method	Conductor Size	Basic Wire Specification	Number of Conductor	Shield Description	Jacket Type

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