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 6610-01-414-1755
NSN 6150-01-427-3764
NSN 6220-00-916-5651
NSN 5990-01-328-9846
NSN 5935-00-584-4047
NSN 5990-01-573-1634
NSN 6110-00-229-1360
NSN 6650-00-534-2323
NSN 5999-01-464-1232
NSN 5990-01-565-2226
NSN 5930-01-541-6237
NSN 5996-01-097-6256