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 5930-01-107-7851
NSN 6650-01-475-2822
NSN 5985-00-530-4835
NSN 5920-01-415-6546
NSN 6130-00-222-5291
NSN 6110-00-452-0448
NSN 5925-01-451-3584
NSN 6685-01-055-7384
NSN 6150-01-208-7544
NSN 6610-01-602-8716
NSN 4140-01-012-2460
NSN 6145-00-857-1847