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 6135-01-357-0621
NSN 5990-01-221-6361
NSN 5915-01-419-5602
NSN 6620-01-508-1996
NSN 5990-01-395-4194
NSN 6150-01-634-0575
NSN 6220-01-580-1499
NSN 5855-01-308-0955
NSN 5905-00-146-2375
NSN 6685-01-463-4875
NSN 6130-00-364-7801
NSN 6110-01-480-0713