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 6685-01-111-0797
NSN 2925-00-874-1864
NSN 5925-00-594-0840
NSN 5945-00-513-9716
NSN 5905-00-909-0399
NSN 6145-01-020-8428
NSN 6620-01-345-9488
NSN 7035-00-445-9657
NSN 5985-00-270-3653
NSN 5985-00-062-3346
NSN 5950-01-056-4707
NSN 6650-01-555-8349