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 6320-01-272-7072
NSN 5985-01-584-6464
NSN 5950-00-763-3133
NSN 6110-01-633-9660
NSN 5920-01-654-8064
NSN 5930-01-653-4193
NSN 4140-01-246-4267
NSN 5915-01-416-9855
NSN 5835-01-133-1959
NSN 5920-00-445-3585
NSN 5985-01-350-1246
NSN 6320-01-067-0474