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 6240-00-050-4520
NSN 5910-00-138-7436
NSN 5975-01-556-8020
NSN 5998-00-553-8061
NSN 5935-01-039-0605
NSN 5990-00-312-4036
NSN 6130-01-349-1566
NSN 7035-01-225-8369
NSN 6150-01-464-4327
NSN 6240-00-246-4909
NSN 5930-01-134-3109
NSN 5960-01-104-7839