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 5999-00-122-8817
NSN 5990-01-302-3733
NSN 6320-01-275-2741
NSN 5920-01-088-7958
NSN 5925-00-797-9701
NSN 5915-01-091-3537
NSN 5996-00-295-8348
NSN 5945-01-182-5326
NSN 5925-01-441-2976
NSN 6105-01-653-2629
NSN 5910-00-549-4895
NSN 5965-00-223-6354