Commercial
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 5855-00-862-3345
NSN 5855-01-443-8441
NSN 6320-01-119-2365
NSN 6685-00-091-0281
NSN 5985-01-059-5727
NSN 5990-00-081-1266
NSN 5999-00-041-3383
NSN 5910-01-522-2371
NSN 5996-01-226-7707
NSN 6110-00-772-0093
NSN 5985-00-079-0598
NSN 5930-00-688-5227