FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 11. Aircraft Electrical Systems | 14. Terminal Repairs | 11-179. Lock Washers for Terminals On Equipment
AC 43.13-1B CHG 1
any crimping operation and whenever possible
during operation to ensure crimp dimensions.
11-179. LOCK WASHERS FOR TERMI-
NALS ON EQUIPMENT. Where locknuts
are used to ensure binding and locking of
electrical terminals, they should be of the all
metal type. In addition, a spring lock washer
of suitable thickness may be installed under
the nut to ensure good contact pressure. A
plain washer should be used between the
spring washer and the terminal to prevent
galling. A plain nut with a spring lock washer
and a plain washer may be used to provide
binding and contact pressure.
11-180.11-184. [RESERVED.]
9/27/01
Page 11-70
Par 11-179