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 6620-01-535-6925
NSN 5950-01-142-6510
NSN 5985-01-222-0940
NSN 4140-00-755-6814
NSN 6240-01-264-2574
NSN 6220-01-449-1239
NSN 6135-01-175-7311
NSN 6105-00-882-0854
NSN 7035-01-518-4418
NSN 6240-00-272-8601
NSN 5975-01-127-3343
NSN 6610-01-492-2630