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 5975-01-169-4619
NSN 6150-01-505-4086
NSN 4140-00-484-4040
NSN 5915-01-598-2469
NSN 5945-00-964-8677
NSN 5998-00-727-4426
NSN 5999-00-754-7683
NSN 6320-01-247-0898
NSN 5925-01-544-4287
NSN 6610-00-419-3154
NSN 6145-01-346-3931
NSN 5915-01-085-3086