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 5895-01-506-6662
NSN 2925-01-009-9560
NSN 5975-01-285-9563
NSN 5835-01-416-6455
NSN 6105-01-320-2981
NSN 5985-01-399-1094
NSN 5999-01-408-1108
NSN 6685-01-270-4654
NSN 6645-01-502-3068
NSN 2925-01-629-9416
NSN 5990-01-365-6016
NSN 6685-00-272-2267