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 6620-01-535-6925
NSN 5905-01-272-2247
NSN 6620-01-103-2509
NSN 4140-01-105-3036
NSN 5905-01-601-8114
NSN 5935-01-484-5275
NSN 6105-00-205-0655
NSN 5975-01-058-4849
NSN 5935-01-294-1258
NSN 6145-01-337-3930
NSN 6150-00-616-1541
NSN 5950-01-068-4470