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 5990-00-193-1843
NSN 5998-00-122-6687
NSN 6145-01-432-2440
NSN 6685-01-431-9414
NSN 5895-00-858-4830
NSN 5945-01-224-6573
NSN 5905-00-235-2876
NSN 6145-00-252-8969
NSN 5925-00-617-7058
NSN 6220-01-570-2197
NSN 5915-00-244-9805
NSN 5895-00-708-2116