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 5950-01-599-1976
NSN 6645-01-344-7117
NSN 5835-01-278-4683
NSN 7035-01-602-7966
NSN 6145-00-493-4073
NSN 6110-01-230-9357
NSN 5855-01-508-3575
NSN 5990-00-428-1895
NSN 6620-01-609-6259
NSN 5855-01-332-7594
NSN 6610-01-578-1976
NSN 6110-00-232-5406