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 5998-01-370-4384
NSN 5975-01-565-3786
NSN 6130-00-454-2974
NSN 6145-01-355-3727
NSN 5990-01-089-6743
NSN 6130-00-407-0644
NSN 5999-01-390-9498
NSN 5835-01-336-1153
NSN 6620-01-197-7665
NSN 5945-00-715-2353
NSN 6645-00-574-9712
NSN 5915-00-917-9569