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 5915-01-483-4017
NSN 5999-01-464-0591
NSN 5905-00-852-9180
NSN 4140-01-061-2431
NSN 5925-01-432-0149
NSN 6145-01-562-8155
NSN 7035-00-541-8516
NSN 6620-00-246-6448
NSN 4140-01-347-4891
NSN 6610-01-170-1078
NSN 7035-01-200-4751
NSN 5835-01-502-9228