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 5990-01-439-4643
NSN 5975-01-425-1986
NSN 2925-00-627-5397
NSN 5985-00-465-6862
NSN 5835-00-507-3561
NSN 5950-01-122-3302
NSN 5990-01-181-4143
NSN 5950-00-003-2633
NSN 5895-01-521-5615
NSN 5935-01-268-9590
NSN 6105-01-133-8460
NSN 5905-01-263-4907