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 5930-00-577-4073
NSN 4140-01-492-8416
NSN 6130-00-277-7321
NSN 6620-00-115-9050
NSN 6320-01-578-6006
NSN 5855-01-421-7691
NSN 5835-01-464-2662
NSN 5998-01-162-0694
NSN 5855-01-311-6666
NSN 6105-01-135-5436
NSN 5915-01-143-8953
NSN 5835-01-222-2437