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 5930-01-203-5092
NSN 4140-01-630-9122
NSN 4140-00-904-3438
NSN 6650-01-415-4484
NSN 7035-00-731-8729
NSN 5935-00-985-5448
NSN 6685-01-421-2206
NSN 6130-01-006-7990
NSN 6610-00-091-1056
NSN 7035-00-585-2113
NSN 5996-01-443-2324
NSN 5965-01-642-7660