Oxygen clean requirement
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 6610-00-846-4525
NSN 6685-01-593-2034
NSN 5855-00-014-5008
NSN 5935-00-508-2171
NSN 5915-01-246-3580
NSN 5945-01-455-7746
NSN 5945-01-573-1970
NSN 5998-01-601-4584
NSN 6145-01-376-3017
NSN 2925-01-434-6945
NSN 5915-01-139-3162
NSN 6610-00-358-1905