O-ring
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 5905-01-634-0595
NSN 5998-01-412-1656
NSN 5930-01-530-0056
NSN 6320-01-232-4664
NSN 5920-00-130-3593
NSN 6135-01-532-7951
NSN 2925-01-167-6500
NSN 5920-01-360-5681
NSN 6610-01-498-0524
NSN 5905-01-185-0065
NSN 5910-00-406-1019
NSN 5965-01-112-5518