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 5935-00-264-5318
NSN 5990-01-344-7778
NSN 5990-01-400-3299
NSN 6135-00-235-1938
NSN 5999-01-413-5828
NSN 5999-01-029-3025
NSN 7035-00-517-8232
NSN 6150-01-230-7178
NSN 5925-01-215-2119
NSN 5985-01-572-0799
NSN 6610-00-641-3015
NSN 6320-00-456-2092