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 5990-00-081-3937
NSN 5895-00-025-3748
NSN 6645-01-180-6219
NSN 6320-00-422-1773
NSN 6320-01-162-5977
NSN 5920-01-483-2649
NSN 5965-00-247-4886
NSN 4140-01-180-5576
NSN 5960-01-412-0619
NSN 6110-00-636-1234
NSN 6240-01-031-3164
NSN 5910-00-077-8498