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 5920-01-418-1821
NSN 5930-01-554-2533
NSN 6645-00-975-2103
NSN 6135-01-046-6803
NSN 5985-01-512-2886
NSN 5920-01-463-2530
NSN 5996-00-558-4985
NSN 6135-00-643-4843
NSN 6320-01-255-2096
NSN 6220-00-823-6688
NSN 5935-01-421-0990
NSN 5915-01-444-4946