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 5985-01-202-9488
NSN 5935-00-169-4271
NSN 6220-01-089-8839
NSN 5905-01-421-1239
NSN 6645-01-014-0793
NSN 5915-01-350-5698
NSN 5996-01-060-5925
NSN 5990-00-162-7273
NSN 5905-00-758-7788
NSN 6145-00-009-0619
NSN 6320-01-006-6138
NSN 5999-01-361-5440