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 5999-01-076-7731
NSN 6240-01-462-5433
NSN 5915-00-584-3512
NSN 5945-01-144-5401
NSN 7035-01-207-2676
NSN 6610-00-147-9332
NSN 5998-01-106-2701
NSN 6220-00-892-4507
NSN 6130-01-544-1553
NSN 6105-01-612-4340
NSN 5999-01-505-9796
NSN 6150-00-399-1431