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 6145-01-496-1985
NSN 5950-01-391-9453
NSN 6320-01-631-7828
NSN 6220-01-152-2637
NSN 6130-01-435-1879
NSN 6220-01-258-7322
NSN 5855-01-357-7907
NSN 5950-01-084-6667
NSN 5975-00-331-8200
NSN 6110-01-258-1291
NSN 6685-00-291-6868
NSN 5998-00-167-5686