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 6220-01-231-9813
NSN 6145-00-248-4944
NSN 6220-01-128-5814
NSN 5945-01-317-0510
NSN 5998-01-258-7058
NSN 5855-01-448-9794
NSN 6145-00-081-2520
NSN 5910-01-102-7351
NSN 6320-01-300-7994
NSN 7035-01-255-2332
NSN 6240-00-455-7640
NSN 5975-01-432-1554