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 5935-00-128-1588
NSN 6130-01-378-1712
NSN 5996-00-823-9164
NSN 6220-00-752-8479
NSN 5975-01-615-9827
NSN 5950-00-468-7991
NSN 7035-01-240-4998
NSN 4140-01-620-1836
NSN 5975-00-459-8902
NSN 6105-00-079-2409
NSN 5996-01-460-8631
NSN 5998-00-567-4547