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 6650-00-455-9457
NSN 6645-01-633-1852
NSN 2925-00-953-2920
NSN 5960-01-499-7172
NSN 6145-01-303-2940
NSN 5910-01-365-8031
NSN 5915-00-951-1973
NSN 5985-01-599-1459
NSN 5950-01-459-8979
NSN 6685-00-846-6916
NSN 5925-01-372-5353
NSN 5996-00-333-5182