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 6220-00-054-5741
NSN 5855-01-439-7214
NSN 5895-00-358-1922
NSN 2925-01-543-5571
NSN 2925-00-684-7708
NSN 5985-01-640-6966
NSN 6145-00-088-5884
NSN 5999-01-027-1252
NSN 5835-01-332-2867
NSN 5895-01-605-5768
NSN 6610-00-518-4919
NSN 5945-01-378-6493