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 6650-00-490-2637
NSN 6685-00-857-8261
NSN 5975-01-140-2422
NSN 5915-00-722-7928
NSN 6620-01-573-8003
NSN 6135-01-431-6801
NSN 5915-01-619-5282
NSN 5835-00-454-7239
NSN 5965-01-205-6249
NSN 6110-01-089-9017
NSN 6110-01-471-6238
NSN 5905-01-246-4235