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 2925-00-932-6262
NSN 5920-00-111-0563
NSN 5998-01-322-7537
NSN 7035-01-391-3518
NSN 5930-01-066-3848
NSN 5998-01-360-5898
NSN 6130-01-218-5217
NSN 6610-00-709-1692
NSN 6220-01-422-9105
NSN 5935-01-177-4659
NSN 5930-00-950-5033
NSN 5905-00-562-3515