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 6220-01-478-9981
NSN 7035-01-017-8994
NSN 5905-01-399-4549
NSN 5915-00-137-3010
NSN 2925-01-157-9204
NSN 4140-01-197-7658
NSN 5855-01-286-9928
NSN 6620-01-532-0329
NSN 5895-00-008-2250
NSN 5935-01-224-7668
NSN 6105-01-189-3084
NSN 5905-01-311-7319