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 5945-01-280-5477
NSN 6610-01-633-8931
NSN 6150-00-377-8616
NSN 6135-01-483-5269
NSN 6620-01-290-2973
NSN 5835-01-370-4292
NSN 2925-01-143-0092
NSN 6240-01-054-9298
NSN 5915-00-965-0535
NSN 6130-01-229-1685
NSN 6320-01-198-4024
NSN 5920-01-195-2299