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MIL-C-27500 Cables | NEMA WC 27500 Part Number Builder

M27500 Wire

MIL-C-27500 Cables | NEMA WC 27500 Part Number Builder

MIL-C-27500 Wire (M27500 Cable)
MIL Spec Wire
NEMA WC 27500

The M27500 Cable specification is commonly used to describe both shielded and unshielded cable constructions for avionics, aerospace and airframe applications. Circuit identification, conductor size, insulation type, number of conductors, shielding material and jacket compound may all be specified using this document. Single conductor, twisted pairs, and multiconductor cables through 10 components are all included.

M27500 Wire Makeup

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Length (ft.):
Part Number

Table 1: Basic M27500 Cable Description


Code SAE Component Code SAE Component Code SAE Component
A AS50861/1 MD AS81044/5 SM AS22759/41
AA AS50861/5 ME AS81044/6 SN AS22759/42
AB AS50861/6 MF AS81044/7 SP AS22759/43
AD AS50861/7 MG AS81044/8 SR AS22759/44
B AS50861/2 MH AS81044/9 SS AS22759/45
C AS50861/3 MJ AS81044/10 ST AS22759/46
CA AS22759/13 MK AS81044/11 SV AS22759/47
CB AS22759/14 MW AS81381/11 SW AS22759/48
CC AS22759/15 ML AS81044/12 SX AS22759/49
DB AS22759/180 MM AS81044/13 SY AS22759/50
DC AS22759/181 MR M81381/7 TA AS22759/8
DE AS22759/182 MS M81381/8 TE AS22759/16
DF M22759/183 MT M81381/9 TF AS22759/17
DG AS22759/184 MV M81381/10 TG AS22759/18
DH AS22759/185 MW M81381/11 TH AS22759/19
DJ AS22759/186 MY M81381/12 TK AS22759/20
DK AS22759/187 NA M81381/13 TL AS22759/21
DL AS22759/188 NB M81381/14 TM AS22759/22
DM AS22759/189 NE M81381/17 TN AS22759/23
DN AS22759/190 NF M81381/18 VA AS22759/5
DP AS22759/191 NG M81381/19 WA AS22759/6
DR AS22759/192 NH M81381/20 WB AS22759/80
E AS22759/2 NK M81381/21 WC AS22759/81
EA AS822759/1 NL M81381/22 WE AS22759/82
F M8777 (MS27110) P AS50861/4 WF AS22759/83
H M8777 (MS25471) RA AS22759/3 WG AS22759/84
JA M25038/1 RB AS22759/4 WH AS22759/85
JB AS22759/28 RC AS22759/11 WJ AS22759/86
JC AS22759/29 RE AS22759/12 WK AS22759/87
JD AS22759/30 SA AS22759/7 WL AS22759/88
JE AS22759/31 SB AS22759/32 WM AS22759/89
JF M25038/3/TD> SC AS22759/33 WN AS22759/90
LE AS22759/9 SD AS22759/34 WP AS22759/91
LH AS22759/10 SE AS22759/35 WR AS22759/92


Table 2: M27500 Cable's Shield Description


Single Shield
Code
Double Shield
Code
Shield Material
Description
Max. Temperature
for Shield
U N/A Not Shielded N/A
T V Tinned Copper, Round 150°C
S W Silver-Coated Copper, Round 200°C
N Y Nickel-Coated Copper, Round 260°C
F Z Stainless Steel, Round 400°C
C R Nickel-Clad Copper, Round 400°C
M K Silver-Coated High Strength Copper Alloy, Round 200°C
$ + Heavy Silver-Coated Copper, Round 200°C
P L Nickel-Coated High Strength Copper Alloy, Flat 260°C
G A Silver-Coated Copper, Flat 200°C
H B Silver-Coated High Strength Copper Alloy, Flat 260°C
* # Nickel-Coated Copper, Flat 260°C
J D Tinned Copper, Flat 150°C
E X Nickel-Coated High Strength Copper Alloy, Flat 260°C
I Q Nickel-Chromium Alloy, Flat 400°C


Table 3: M27500 Cable Jacket Type


Single Jacket
Code
Double Jacket
Code
Jacket Material
Description
Max. Temperature
for Jacket
00 00 No Jacket N/A
01 51 Extruded PVC, White 90°C
02 52 Extruded Nylon, Clear 105°C
03 53 White Nylon Braid over Mylar 105°C
04 54 Polyester Braid over Mylar 150°C
05 55 Extruded FEP, Clear 200°C
06 56 Extruded or Taped PTFE, White 260°C
07 57 PTFE Coated Glass Braid over PTFE 260°C
08 58 Extruded XL-PVDF, White 150°C
09 59 Extruded FEP, White 150°C
10 60 Extruded PVDF, Clear 125°C
11 61 Polyimide Tape, FEP 200°C
12 62 Polyimide Tape, FEP, Polyimide 200°C
14 64 Extruded ETFE, White 150°C
15 65 Extruded ETFE, Clear 150°C
16 66 Nylon Braid, PTFE Tape 200°C
17 67 Extruded ECTFE, White 150°C
18 68 Extruded ECTFE, Clear 150°C
20 70 Extruded PFA, White 260°C
21 71 Extruded PFA, Clear 260°C
22 72 Polyimide Tape, FEP Wrap, Polyimide 200°C
23 73 Extruded XL-ETFE, White 200°C
24 74 PTFE Tape over TFE/Polyimide 200°C
25 75 Smooth PTFE Tape over TFE/Polyimide 260°C
26 76 Extruded Low Fluoride XL-ETFE, White 200°C


Table 4: M27500 Cable's Shield Covering and Color Coding


85% Shield
Coverage Code
90% Shield
Coverage Code
M27500 Cable Terminology Componenet Wire
ID Method
- C Preferred Method, Table 4A White wire with colored stripes per Table 4A. Wire 1 has no stripe. Wires 11-15 have double stripes.
F H Preferred Method, Table 4B White wire with colored stripes per Table 4B. Wire 5 has no stripe. For wires 11-15, insulation is first color, stripe is second color.
A D Optional Method A, Table 4A Solid Colored Wire. Wires 11-15 have a stripe in a lighter shade of base color.
G J Optional Method A, Table 4B Solid Colored Wire. Wires 11-15, insulation is first color, stripe is second color.
B E Optional Method B, Table 4C Wire insulation color is based on AWG size. Bands of contrasting color denote wire number (per table 4D)
K M Optional Method C, Table 4C Wires are all same color based on AWG size. Numbers of contrasting color printed to denote wire number
L N Optional Method D White wires with numbers of contrasting color printed to denote wire number


Table 4A: M27500 Cable's Color Code Chart


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


Table 4B: M27500 Cable's Color Code Chart


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


Table 4C: M27500 Cable's Color Code By AWG Size


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


Table 4D: M27500 Cable's Color Code Band Configuration


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