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 5905-01-215-1546
NSN 6645-01-521-0424
NSN 6320-00-343-1798
NSN 6145-01-276-5868
NSN 5905-00-487-5867
NSN 5996-00-992-0769
NSN 6650-00-147-4887
NSN 6685-01-015-9332
NSN 6620-01-198-4468
NSN 6685-00-909-9768
NSN 5945-00-174-0810
NSN 2925-01-214-5333