O-ring
A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5975-00-393-1269
NSN 2925-00-338-4667
NSN 5915-00-683-7046
NSN 5935-01-556-4333
NSN 6135-01-265-1384
NSN 6620-01-611-7907
NSN 6220-00-079-2943
NSN 4140-00-138-4139
NSN 5990-01-414-7618
NSN 5895-01-634-0630
NSN 6685-01-089-7403
NSN 5935-01-022-2968