Type 1/1 M = 78 + 2, 52 + 2, 60 + 4, 40 + 4, 42 + 6
Type 1/1 M = 28 + 6, 24 + 8, 16 + 8, 87 + 1, 58 + 1
Type 1/2 M = 30 + 2, 20 + 2, 12 + 4, 8 + 4
+ = replace in "M"

M = Male Connector
F = Female Connector

A = Quality class 3 = 50 Mating cycles
B = Quality class 2 = 400 Mating cycles
C = Quality class 1 = 500 Mating cycles (On special request - consult factory)
J = telecom application >= 500 Mating cycles (On special request - consult factory)

M = Solder lug
N^* = Wire wrap - ^*not available for male connector
R = Solder pin straight
T^* = Solder pin angled - ^*not available for female connector

11/27 = Solder Cup 10 A
12/28 = Solder Cup 20 A
14/29 = Solder Cup 40 A
19/39 = Solder pin 20 A
20/40 = Solder pin 40 A
18/17 = PC tail angled 10 A
21/16 = PC tail angled 20 A
23/15 = PC tail angled 40 A
26/13 = 4 PC tail angled 40 A
26/13 = 4 PC tail angled 40 A
31 = 5 PC tail straight 50
32 = 5 PC tail straight 50
33 = 5 PC tail straight 75
35 = 5 PC tail angled 50
36 = 5 PC tail angled 75
99 = no contacts loaded

X9 = mounting hole for screw or rivet

OX = Standard

Part numbers must always end with OX