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 6220-00-594-0025
NSN 5985-01-115-2053
NSN 6145-01-009-0362
NSN 5996-00-757-2799
NSN 5999-00-710-9808
NSN 6105-01-153-2302
NSN 6130-01-133-3165
NSN 5975-01-590-9948
NSN 5975-01-363-3724
NSN 5950-01-398-3531
NSN 6130-00-916-8934
NSN 6220-01-419-1932