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 5998-00-550-1870
NSN 5930-01-257-4409
NSN 6620-01-421-3917
NSN 6220-00-125-3805
NSN 6650-01-259-1761
NSN 6650-01-049-5361
NSN 6620-00-730-8699
NSN 6135-00-334-4500
NSN 5999-01-446-6792
NSN 5999-00-536-3311
NSN 5998-00-528-9032
NSN 6150-01-064-2779