Answer: detents

AnswerCrossword Clue
DETENTS

Ratchet mechanisms

DETENTS

Ratchet-wheel pins.

DETENTS

Pawls.

DETENTS
Catches.
DETENTS
Catches, in machinery.
DETENTSCatch mechanisms.
DETENTSClicks or pawls.
DETENTSTypewriter parts
DETENTSMovement-locking catches of clocks
DETENTSWatchmaker's parts