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 6685-01-588-0887
NSN 5920-01-577-2346
NSN 5975-01-222-5999
NSN 5905-00-262-0942
NSN 5960-00-204-7506
NSN 6610-00-241-2316
NSN 2925-00-644-0028
NSN 6610-01-495-0596
NSN 6320-00-937-5625
NSN 6145-00-422-7146
NSN 5996-01-068-4469
NSN 6645-01-500-0827