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 6685-00-888-7381
NSN 6105-01-032-4228
NSN 6645-01-152-1092
NSN 2925-00-440-9316
NSN 7035-00-861-7913
NSN 6135-00-935-8769
NSN 6110-01-396-2661
NSN 5895-01-070-3945
NSN 5895-01-417-2700
NSN 5910-01-204-7223
NSN 5910-00-660-9464
NSN 6620-01-361-8685