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 5910-01-199-0256
NSN 7035-01-253-7253
NSN 6650-00-272-2271
NSN 5996-00-071-0042
NSN 6320-00-456-2092
NSN 5920-00-043-5138
NSN 6320-01-421-6355
NSN 5920-00-161-4564
NSN 6240-01-163-6606
NSN 6685-01-642-4465
NSN 5930-01-171-1887
NSN 7035-01-014-3808