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 5935-00-276-9413
NSN 6105-01-206-4768
NSN 5905-01-292-3268
NSN 5996-01-517-7355
NSN 5975-01-634-0678
NSN 5920-01-380-1057
NSN 5998-00-346-1680
NSN 6320-01-415-0953
NSN 6610-00-419-0181
NSN 2925-01-157-9204
NSN 5925-01-291-8435
NSN 6145-00-280-8488