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 5990-00-258-0228
NSN 5950-01-351-9728
NSN 5965-01-314-7333
NSN 5998-01-423-8525
NSN 5999-00-945-6577
NSN 6145-01-316-0878
NSN 6135-00-170-8819
NSN 6135-01-056-4609
NSN 5905-01-084-1333
NSN 5950-01-464-4196
NSN 6135-00-900-2139
NSN 6130-01-466-0637