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 5975-00-428-1683
NSN 6150-01-046-0247
NSN 6135-00-825-6692
NSN 6135-00-826-0334
NSN 5996-01-279-9841
NSN 6685-01-034-1150
NSN 5990-01-100-1840
NSN 5835-01-317-4840
NSN 6130-01-341-8384
NSN 2925-00-491-3549
NSN 4140-00-501-7833
NSN 6105-01-066-8216