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 5998-01-207-0778
NSN 6620-01-474-4951
NSN 6610-01-211-6182
NSN 6645-00-948-9763
NSN 6150-00-297-3928
NSN 6220-01-464-6707
NSN 6610-00-186-9180
NSN 2925-01-519-1707
NSN 5915-00-223-2686
NSN 6135-00-100-8890
NSN 6145-01-627-7218
NSN 6240-01-304-2798