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 6610-00-684-1666
NSN 2925-00-617-0826
NSN 4140-01-078-6520
NSN 5960-00-583-4902
NSN 5990-01-212-2037
NSN 6130-01-575-4247
NSN 5985-01-467-9000
NSN 6150-01-513-4539
NSN 5950-01-263-3897
NSN 6610-01-130-7057
NSN 6145-01-264-8574
NSN 5996-00-943-9050