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 6620-00-761-2540
NSN 7035-00-003-7518
NSN 6685-00-987-1725
NSN 6150-01-308-2338
NSN 6320-01-547-2743
NSN 5985-00-073-0725
NSN 5835-01-647-6426
NSN 5935-01-471-1135
NSN 5960-01-224-0414
NSN 5965-01-064-7496
NSN 4140-01-073-7436
NSN 5915-01-559-8039