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 5855-00-256-5562
NSN 6150-01-304-2550
NSN 7035-01-038-9970
NSN 5960-00-257-4203
NSN 5990-01-215-0590
NSN 6105-00-073-9392
NSN 6685-01-561-8640
NSN 5990-01-390-2177
NSN 7035-01-384-4383
NSN 5915-00-267-9857
NSN 6150-00-446-4343
NSN 5998-01-227-1733