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 6610-00-631-6972
NSN 6610-01-250-2811
NSN 5895-01-034-8541
NSN 6685-01-503-1370
NSN 6320-01-183-8196
NSN 5998-00-370-0650
NSN 6610-01-029-8749
NSN 5975-00-832-0563
NSN 7035-00-946-2642
NSN 6610-01-529-8529
NSN 5985-01-459-6057
NSN 6110-00-393-1212