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 5990-00-779-8268
NSN 6105-00-364-3669
NSN 5996-01-462-1631
NSN 6130-00-483-7554
NSN 6135-00-267-9432
NSN 5925-00-959-6075
NSN 6610-01-448-2590
NSN 6620-00-815-2281
NSN 5930-01-030-0642
NSN 6135-01-167-7604
NSN 5999-01-206-7128
NSN 5895-01-407-5272