вушко для з'єднувального болта
trunnion hole
trunnion pin
arming pin; safety pin
firing pin retaining pin
track pin retaining pin
belt-feed pawl pin / belt feed pawl pin
down-hole hammer
fighting hole
fill a hole (in the front)
flood hole
hole
hole in (розм.)
punch / smash / tear a hole (in the defenses)
shaped hole
shell crater / hole
fire in the hole!
blade pivot hole
bullet-hole gauge
bush firing hole (of ordnance)
crankpin hole
well hole of receiver
filling hole
interlock hole
flash hole
funnel-shaped hole
fuze-hole plug
airframe hole
gold-lined touch hole
access hole
weep hole
port hole
shell hole