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 6620-01-195-7817
NSN 6610-01-020-3764
NSN 6320-00-886-9771
NSN 6610-01-140-8925
NSN 5895-00-601-4179
NSN 5950-00-086-3395
NSN 6320-00-937-5625
NSN 5835-00-484-1529
NSN 5950-01-630-5111
NSN 6150-00-393-4697
NSN 5975-01-268-0687
NSN 6610-00-167-6772