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 4140-00-170-5152
NSN 5915-01-350-3696
NSN 5835-01-113-8731
NSN 7035-00-104-7613
NSN 6620-00-033-3280
NSN 6135-00-932-3136
NSN 6650-01-559-2198
NSN 5965-00-644-0334
NSN 6685-01-487-7421
NSN 6150-01-322-0319
NSN 5915-01-049-5756
NSN 5855-00-237-4088