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 5920-00-911-3452
NSN 5985-01-365-8190
NSN 5935-00-097-1136
NSN 6135-01-162-0943
NSN 5999-00-051-4526
NSN 4140-00-170-5152
NSN 6650-00-047-9473
NSN 6110-01-439-6360
NSN 6130-00-377-0655
NSN 4140-01-581-7160
NSN 6105-01-058-3583
NSN 5990-01-258-3848