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 6650-00-424-7239
NSN 5945-01-574-6401
NSN 6610-00-891-6370
NSN 2925-00-431-9369
NSN 5925-01-483-1656
NSN 5960-00-308-9123
NSN 6320-01-116-3980
NSN 5855-01-040-3881
NSN 5996-01-306-2076
NSN 6130-00-738-7290
NSN 6240-01-362-7766
NSN 5965-00-493-6008