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 6145-01-616-4767
NSN 5925-01-349-7193
NSN 2925-01-258-8141
NSN 6650-01-391-7527
NSN 6135-01-140-8201
NSN 5999-01-511-7295
NSN 6150-00-816-3467
NSN 6320-00-521-9350
NSN 6650-00-396-2240
NSN 6650-00-412-5988
NSN 5965-00-971-5522
NSN 5985-00-251-0246