Summary Information (click on this NSN number for detailed information: 5365-00-003-1165)
Definition:
Externally Threaded Ring, also referenced with federal logistics item name code 8417:
A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. one face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. excludes retainer, optical element.