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 6620-00-820-9616
NSN 6220-01-246-2303
NSN 6620-01-142-6216
NSN 6145-01-308-1042
NSN 5999-01-171-5816
NSN 5975-01-332-9300
NSN 4140-01-213-0151
NSN 6220-01-456-0526
NSN 5835-01-558-9444
NSN 5925-01-114-8254
NSN 6620-01-030-0525
NSN 5985-01-249-2180