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 6145-00-228-0742
NSN 5925-01-559-7165
NSN 6220-01-153-7943
NSN 5905-00-707-1030
NSN 6135-00-405-1989
NSN 5945-00-193-4891
NSN 5990-01-623-0082
NSN 5950-01-136-6986
NSN 5835-00-789-1454
NSN 5905-00-051-5557
NSN 6645-01-049-0972
NSN 5999-01-471-2154