Specific matl is silicone rubber
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 7035-00-945-3166
NSN 5998-00-358-4123
NSN 5905-01-568-9577
NSN 5998-01-011-6475
NSN 5915-01-091-2054
NSN 5996-01-322-4838
NSN 6620-01-081-1042
NSN 5999-00-379-2226
NSN 5835-01-352-7211
NSN 6105-01-180-2807
NSN 6685-01-231-8850
NSN 5835-00-174-7763