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 5996-00-971-6838
NSN 2925-00-246-3077
NSN 5930-01-220-5444
NSN 6320-01-514-6141
NSN 5975-00-242-6707
NSN 5960-01-055-6675
NSN 5930-01-225-5992
NSN 2925-00-964-7128
NSN 5855-00-281-3843
NSN 5925-01-412-2934
NSN 5985-01-573-0917
NSN 6240-00-518-3541