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 6145-01-243-0123
NSN 4140-00-004-4544
NSN 5950-01-355-0314
NSN 6610-01-088-5871
NSN 6220-01-168-2078
NSN 6110-01-455-6598
NSN 5960-01-443-3067
NSN 2925-01-218-5556
NSN 6130-01-339-8011
NSN 6650-00-266-6808
NSN 6110-00-456-2058
NSN 5990-00-412-0019