O-ring has notches 0.1 mm width
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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5985-00-145-4567
NSN 5975-01-345-9742
NSN 5985-01-454-9174
NSN 5935-01-349-7793
NSN 6240-01-563-5578
NSN 6645-01-445-9089
NSN 5996-01-400-3558
NSN 5945-00-276-9274
NSN 6650-01-504-1798
NSN 6620-00-399-5547
NSN 6685-01-422-4241
NSN 5905-01-506-0119