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 5996-01-200-3692
NSN 6145-00-464-0979
NSN 5950-01-185-9428
NSN 6105-01-542-6846
NSN 6150-00-890-8294
NSN 6620-00-679-5830
NSN 2925-00-845-1480
NSN 5905-01-473-1203
NSN 5905-01-300-5884
NSN 6220-01-434-3386
NSN 5960-01-369-8666
NSN 6685-00-005-5392