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 5965-01-197-6924
NSN 6620-01-248-0358
NSN 5960-00-228-0636
NSN 6320-01-652-3806
NSN 5990-01-271-1628
NSN 6645-01-476-8013
NSN 5999-00-977-9952
NSN 5915-00-281-8175
NSN 5998-00-152-5050
NSN 5925-00-529-0441
NSN 6105-01-397-7806
NSN 5835-00-426-2402