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 6620-01-213-8772
NSN 5915-01-431-6951
NSN 6685-01-598-2696
NSN 6685-01-513-9053
NSN 6610-00-929-2218
NSN 5925-01-522-2386
NSN 5975-01-448-0139
NSN 5910-00-285-2869
NSN 5998-01-389-4447
NSN 6620-01-462-5196
NSN 6145-01-255-7477
NSN 6240-01-252-1544