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 5920-01-481-4454
NSN 2925-01-411-4666
NSN 5990-00-226-1152
NSN 5975-01-160-8409
NSN 4140-01-296-6167
NSN 6685-00-337-0983
NSN 5930-00-100-1323
NSN 5998-00-613-4121
NSN 5935-01-141-6488
NSN 6130-00-133-1598
NSN 5945-01-342-3716
NSN 6130-01-459-5304