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 4140-00-814-5987
NSN 5935-01-435-6574
NSN 6145-00-681-8586
NSN 6685-00-281-2840
NSN 6650-01-502-6761
NSN 5965-01-105-4194
NSN 5855-01-081-4114
NSN 6220-01-427-2333
NSN 5960-00-452-6043
NSN 5985-00-725-1554
NSN 5855-01-480-8929
NSN 5905-01-475-8909