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 5930-01-164-4094
NSN 5998-01-354-3424
NSN 6150-01-350-7060
NSN 5920-00-322-8083
NSN 6610-01-200-6861
NSN 6105-00-272-2661
NSN 5985-01-014-0038
NSN 5965-00-079-0928
NSN 5999-01-384-5732
NSN 5965-01-288-4736
NSN 6650-01-145-5173
NSN 5985-01-259-2701