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 5935-00-729-5559
NSN 2925-01-133-8128
NSN 6135-01-009-9135
NSN 6620-01-105-1525
NSN 6320-01-651-5210
NSN 5975-01-392-1560
NSN 5945-00-401-1188
NSN 5835-01-381-2683
NSN 5910-00-231-3852
NSN 5895-01-536-9020
NSN 5835-01-013-9321
NSN 6320-01-206-1055