Setscrew lens housing collar; objective lens assembly, 4x and 6x magnification
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.
NSN 5999-00-231-4632
NSN 2925-00-802-9387
NSN 5985-01-227-2646
NSN 5910-00-630-8041
NSN 5920-00-170-4247
NSN 6645-01-494-3845
NSN 6620-00-679-5830
NSN 5945-00-144-8073
NSN 6645-01-384-0628
NSN 6145-01-032-3693
NSN 6135-00-782-0930
NSN 7035-01-027-1718