2561547A
Rev. A 10/99
Made in U.S.A.
FEDERAL SIGNAL CORPORATION
Electrical Products Division
290A3806
MODEL 371
LIGHT
VIBRATION
MOUNT
LOCKWASHER
GROMMET
1/4-20 HEX NUT
1
290A3807
A
B
C
D
2
Key
A = 6.25”
158.8 mm
B = 9/32”
7.1 mm
C = 3/8”
9.5 mm
D = 120º