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 6130-01-476-8097
NSN 6220-00-079-2943
NSN 6145-00-163-8898
NSN 5965-01-440-9039
NSN 6130-00-232-7617
NSN 6620-01-519-2628
NSN 7035-00-162-5487
NSN 6320-01-516-3836
NSN 5998-01-023-7128
NSN 5855-01-300-2301
NSN 5895-01-452-0517
NSN 5985-01-463-2223