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 4140-01-462-2487
NSN 6130-01-141-6517
NSN 6240-00-660-8849
NSN 5855-00-281-3843
NSN 5985-00-170-1870
NSN 5965-00-144-2543
NSN 5855-01-433-7009
NSN
NSN 5910-00-316-3537
NSN 6610-01-354-7963
NSN 5930-01-257-3615
NSN 6110-01-593-4401