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 5905-00-620-3128
NSN 6320-00-242-3300
NSN 5835-01-062-4213
NSN 6105-01-098-7358
NSN 6320-00-456-2092
NSN 5915-01-336-7668
NSN 6130-01-171-3275
NSN 5835-00-614-0650
NSN 2925-01-553-0181
NSN 6135-00-080-9176
NSN 5935-01-138-1921
NSN 6240-01-500-6260