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 4140-01-227-1342
NSN 6685-00-733-0824
NSN 6145-01-232-0528
NSN 6240-01-489-5806
NSN 6240-00-079-0112
NSN 5835-01-618-1225
NSN 6130-01-044-5436
NSN 5915-01-415-4649
NSN 6620-00-286-5721
NSN 5920-01-503-7235
NSN 6645-00-336-4783
NSN 4140-01-311-0076