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 5950-00-901-5859
NSN 5999-01-071-6962
NSN 6105-01-652-5222
NSN 5925-01-477-4717
NSN 6650-01-254-6540
NSN 5835-01-197-5673
NSN 4140-01-611-9973
NSN 5945-01-270-2197
NSN 5905-00-612-0010
NSN 6145-01-266-6604
NSN 6150-01-243-1291
NSN 6610-01-657-7840