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 6150-00-796-0112
NSN 6110-01-475-8916
NSN 4140-01-383-4738
NSN 5985-01-653-6814
NSN 5965-00-518-0958
NSN 6685-00-067-5968
NSN 6105-00-547-2752
NSN 5990-01-463-2279
NSN 5950-01-549-0888
NSN 5925-00-149-2855
NSN 5990-00-234-9136
NSN 6620-00-860-9911