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 5990-00-311-1031
NSN 5855-01-411-3360
NSN 5996-01-534-8862
NSN 6110-01-554-0544
NSN 6650-01-267-9886
NSN 4140-01-015-0124
NSN 5910-00-262-6203
NSN 6240-01-287-6785
NSN 6620-00-930-4179
NSN 5925-01-411-5222
NSN 6685-01-444-0974
NSN 5960-01-251-9659