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 5990-01-211-6136
NSN 5965-01-040-9814
NSN 5935-00-543-3379
NSN 6220-01-442-5452
NSN 6240-01-631-4066
NSN 5999-00-602-5083
NSN 5975-00-133-3343
NSN 6645-01-419-8768
NSN 6685-01-605-2959
NSN 6135-01-645-4653
NSN 5985-01-168-8546
NSN 6685-01-014-7235