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 6220-00-994-5033
NSN 5998-00-267-1044
NSN 5945-01-333-0310
NSN 6685-01-204-9005
NSN 5999-01-421-3388
NSN 6135-01-565-3284
NSN 5975-01-023-1777
NSN 5996-01-383-7298
NSN 6130-00-093-7481
NSN 4140-01-197-4273
NSN 5975-00-434-6597
NSN 6105-01-136-1472