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 5999-00-979-4269
NSN 5998-00-385-9007
NSN 5835-01-576-9013
NSN 5985-01-029-2103
NSN 5999-01-138-4601
NSN 5910-00-100-5013
NSN 5895-01-650-1776
NSN 6105-01-436-8571
NSN 5915-01-026-2420
NSN 5930-01-560-4669
NSN 6620-01-495-7446
NSN 5925-00-644-5546