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 2925-01-459-8093
NSN 6240-01-302-1624
NSN 5855-00-933-9978
NSN 5895-00-816-9763
NSN 6650-01-285-5856
NSN 5985-01-634-0635
NSN 5996-00-363-9666
NSN 6610-01-245-8015
NSN 6620-01-519-2628
NSN 5920-01-174-8540
NSN 5999-00-233-5525
NSN 6105-01-473-7499