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 2925-00-486-8640
NSN 6650-01-010-6662
NSN 5985-00-235-2048
NSN 5998-01-226-6584
NSN 5925-00-254-4924
NSN 5960-00-148-4493
NSN 6645-01-421-2445
NSN 5965-01-579-6854
NSN 6685-00-269-4895
NSN 5990-01-542-4212
NSN 5915-00-675-9562
NSN 5915-01-623-2493