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 6610-01-391-5092
NSN 5960-00-393-2505
NSN 2925-01-157-9204
NSN 6150-01-443-6221
NSN 6685-01-603-4559
NSN 6610-01-406-4985
NSN 6685-00-671-3483
NSN 4140-01-091-7269
NSN 5930-00-620-0559
NSN 5915-01-445-6577
NSN 5835-01-629-2044
NSN 5915-01-464-4446