Fasteners - Locking Devices Flashcards
When using a spring washer, the plain washer would be fitted
Between the spring and part
A spring type washer when used on an aluminium component must be used
With a plain washer
Nickel alloy steel split pins can be used
Only once, because the legs are spread and bent
The advantage of a circlip is
The same item will suit both internal and external application
AND
It can be easily be removed and installed using multigrips
A non metallic locknut is
Never used over 250 degrees F
What items may be re-used?
Locking plate, circlip, spring washer
A tab washer has been removed after fitment for a short time from a non essential system, the tab washer may be
Not re-used
Taper pins are subject to what loads?
Shear
A spring washer
Maybe used more than once provided it continues to provide an efficient lock
An internal circlip can be used to
Retain a ball bearing in a housing
A washer having both twisted teeth and spring actions is
AN936 shake-proof lock washer
Split pins
May be used only once
How is the locking feature of the nylon-type locknut obtained?
By the use of an unthreaded nylon locking insert
Split pins are made from
Low carbon steel - cadmium plated, or stainless steel
How many times can a locking plate be used?
Indefinitely providing it is a good fit around the component to be locked
