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 6105-00-427-9615
NSN 5999-00-288-3143
NSN 5930-00-240-6008
NSN 6145-00-316-2608
NSN 5960-00-993-1857
NSN 5950-00-647-2325
NSN 6240-00-329-9573
NSN 5920-01-386-5798
NSN 6645-01-170-0341
NSN 5950-00-856-6526
NSN 5950-00-130-6568
NSN 5855-01-157-7186