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 6130-00-485-7467
NSN 5895-00-518-3672
NSN 6150-01-261-7945
NSN 2925-01-652-9424
NSN 5935-00-819-1420
NSN 6220-01-158-2871
NSN 6685-01-033-2969
NSN 6105-01-132-9995
NSN 5996-00-008-7960
NSN 5975-01-056-4297
NSN 5998-00-282-2097
NSN 5975-00-132-0303