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 6240-00-176-6048
NSN 6110-00-536-4001
NSN 5990-01-312-2638
NSN 6320-00-343-1798
NSN 5998-00-018-0805
NSN 5998-01-485-4551
NSN 5965-01-048-4767
NSN 5920-01-502-0874
NSN 5950-01-141-2900
NSN 6650-01-481-3618
NSN 6110-01-424-2345
NSN 7035-00-624-7265