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 6240-01-068-3491
NSN 6320-00-082-5868
NSN 5920-01-244-8299
NSN 7035-01-029-7221
NSN 6240-00-617-1818
NSN 5996-00-071-0042
NSN 6150-01-270-3742
NSN 6685-01-191-5067
NSN 6610-01-527-8006
NSN 5935-00-620-6155
NSN 6320-01-370-5222
NSN 4140-00-905-6570