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 5905-01-152-3632
NSN 6685-01-453-6306
NSN 6150-01-406-3274
NSN 5945-00-072-0201
NSN 6650-00-389-4111
NSN 5945-01-395-5050
NSN 5925-01-387-6666
NSN 5950-00-479-8120
NSN 5835-00-121-7558
NSN 5905-01-531-5104
NSN 5985-01-168-3405
NSN 5935-01-513-9623