This listing is for one Seeburg Credit Ratchet Wheel # 451483 that has the following parts attached to it:
# 451498 Spring Assembly, # 451045 Inner Spring Hook, # 451047 Spring Hub,
# 450146 Outer Spring Hook, # 451500 Ratchet Wheel Spring Clip and # 451048 Wheel Cover.

I have often seen these with missing teeth, usually when the operator intended the machine to be on free play.

This ratchet wheel assembly is found in the following model Seeburg jukeboxes:

AY100U, AY160U, DS100 and DS160 - inside the USPU1 Pricing Unit if so equipped
LPC1 Long Play Console - inside the APU1 Album Pricing Unit
LPC480 Long Play Console - inside the APU2 Album Pricing Unit
APFEA1 Fleetwood - inside the APU3 Album Pricing Unit
PFEA1U Electra - inside the UDPU4 Universal Dual Pricing Unit
SS160 Stereo Showcase - inside the UDPU5 Universal Dual Pricing Unit
LS1 Spectra and LS2 Gem - inside the UDPU6 Universal Dual Pricing Unit