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 5945-00-276-9274
NSN 5935-00-231-8185
NSN 5835-00-307-3111
NSN 5999-00-997-9372
NSN 5996-00-700-1182
NSN 6620-00-500-0041
NSN 5905-00-565-6162
NSN 6150-01-180-7817
NSN 6150-01-400-4211
NSN 6105-01-532-3633
NSN 6685-01-570-3835
NSN 5855-01-356-5284