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 6685-00-930-9257
NSN 6145-01-631-3941
NSN 2925-00-350-8517
NSN 4140-01-419-8592
NSN 5925-01-545-3083
NSN 2925-01-579-1010
NSN 5965-01-360-6568
NSN 6610-01-418-3284
NSN 5990-01-087-7081
NSN 5999-00-701-5261
NSN 5905-01-111-9559
NSN 5999-00-509-6916