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 6240-01-379-9545
NSN 5975-01-589-2440
NSN 6105-00-012-8278
NSN 5998-01-614-7171
NSN 6145-01-278-6182
NSN 5990-01-529-7307
NSN 6150-01-145-4449
NSN 2925-01-200-8757
NSN 5945-01-100-3654
NSN 6685-01-424-0975
NSN 6610-01-146-8061
NSN 6320-01-539-4789