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 5975-01-540-8623
NSN 5950-00-036-6189
NSN 6610-01-468-0679
NSN 6135-01-286-9563
NSN 5835-01-381-2683
NSN 5905-01-481-0500
NSN 5835-00-491-3834
NSN 5998-00-216-8107
NSN 5945-01-633-9025
NSN 6130-01-160-3735
NSN 6320-00-977-3930
NSN 6110-00-872-1475