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 6110-00-205-1778
NSN 6240-01-653-9921
NSN 5915-00-357-7316
NSN 5915-01-417-3123
NSN 6650-01-281-4651
NSN 6645-00-692-2809
NSN 6145-01-357-7479
NSN 5999-00-540-7179
NSN 5910-00-615-3897
NSN 5985-01-218-7725
NSN 5945-01-532-8378
NSN 5915-00-470-8434