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 6320-00-500-4172
NSN 6685-01-036-9648
NSN 5975-00-432-0681
NSN 5855-01-569-8072
NSN 5998-00-818-4797
NSN 5990-00-129-6651
NSN 6105-01-205-4673
NSN 6620-00-408-5478
NSN 6610-01-049-2661
NSN 6110-00-922-5311
NSN 6650-01-141-1181
NSN 5835-00-484-1529