M55021 | MIL-C-55021

Product Description

The M55021 specification allows for a wide variety of construction choices. Simply build your custom cable from the tables below, or contact a sales engineer for more information.

M55021 PART NUMBER EXAMPLE: B24C904-903-902P

Wire Type	Conductor Size	Conductor Material	Color of 1st Wire	Color of 2nd Wire	Color of 3rd Wire	Covering Over Components
B	24	C	904	903	902	P
(Table 1)	(Table 2)	(Table 3)	(Table 4)	(Table 4)	(Table 4)	(Table 5)

---

TABLE 1: TYPE OF WIRE

Symbol Type	Wire Specification	Symbol Type	Wire Specification
B	M16878/1	EE	M16878/5 (NEMA HP3)
C	M16878/2	BJ	M16878/17
D	M16878/3	CJ	M16878/18
E	M16878/4 (NEMA HP3)	DJ	M16878/19

---

TABLE 2: CONDUCTOR SIZE

Conductor Size	Stranding
30 - 26 AWG	7 Strands
24 - 12 AWG	19 Strands
10 AWG	37 Strands

---

TABLE 3: CONDUCTOR MATERIAL

Conductor Code	Conductor Type
C	Copper
S	Copper Clad Steel
H	High Strength Copper Alloy

---

TABLE 4: COLOR CODE

For single shielded and single shielded and jacketed constructions, a dash should not be used. The color code designators for wires 2 and 3 of a twisted pair and triplet are separated by a dash. Two groups of numbers indicate a twisted pair, three groups indicate a twisted triple. Any order of color code designators is acceptable.

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

---

TABLE 5: COVERING OVER COMPONENTS

Symbol Type	Covering Over Finished Cable
U	Unjacketed and unshielded
P	Polyvinyl Chloride (PVC) jacket
F	Fluorinated Ethylene Propylene (FEP) jacket
J	Polyamide jacket
T	Polytetrafluoroethylene (PTFE) jacket
S	Shielded and unjacketed
SF	Shielded and covered with FEP jacket
SP	Shielded and covered with PVC jacket
SJ	Shielded and covered with Polyamide jacket
STW	Shielded and covered with wrapped PTFE jacket
SX	Shielded and covered with extruded PTFE jacket

Applications

Approvals