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 2925-00-231-8041
NSN 5996-00-836-7393
NSN 2925-00-127-7828
NSN 6685-01-180-3807
NSN 6145-00-134-7271
NSN 6645-01-537-1066
NSN 4140-01-197-4273
NSN 6610-01-252-8201
NSN 5975-00-274-5720
NSN 4140-00-090-6536
NSN 5998-01-398-0014
NSN 5975-00-400-2630