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 2925-01-535-7235
NSN 6135-01-252-0315
NSN 6610-00-979-0409
NSN 6320-00-164-4087
NSN 5905-01-098-8554
NSN 6130-01-516-6895
NSN 5930-01-081-0029
NSN 5905-01-543-9033
NSN 7035-01-276-9016
NSN 5915-01-102-9611
NSN 5960-01-086-9650
NSN 4140-01-519-5537