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 5985-00-190-5716
NSN 5998-01-387-0488
NSN 5930-01-590-1124
NSN 5999-01-432-0133
NSN 4140-01-530-2172
NSN 6320-01-342-7548
NSN 6320-01-466-4175
NSN 5855-01-434-8467
NSN 6685-00-504-1911
NSN 5895-01-423-8486
NSN 5905-01-007-2009
NSN 5998-01-486-4759