Master Lock uses a wide range of keys and keyways. Below illustrates the relationship of keys to keyways and the corresponding
part numbers.
Four Pin
Five Pin
Five Pin
Five Pin
Six Pin
Keys and Keyways
15
900
K900
W900
SAFETY
LOCKOUT
K400
W400
K7000
W7000
K1
W1
K1R
W1R
K2
W2
K15
W15
K17
W17
K27
W27
K81
W81
K81MK
W81MK
K81R
W81R
K6000
W6000
6000B
K6000
W6000
7000B
K7000
W7000