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 6150-01-221-7217
NSN 7035-01-018-6589
NSN 5930-00-651-9705
NSN 6685-00-248-9125
NSN 5950-00-269-4805
NSN 6320-00-925-0558
NSN 5905-01-359-5425
NSN 5915-01-188-8314
NSN 6240-01-258-6298
NSN 5910-00-409-6036
NSN 6685-00-720-3525
NSN 6620-01-526-2857