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 6620-00-400-4237
NSN 6135-01-204-3882
NSN 6145-01-442-3161
NSN 5985-01-370-5824
NSN 6685-01-634-0611
NSN 5950-00-419-0232
NSN 6320-00-149-7570
NSN 5945-01-073-7613
NSN 5925-01-428-4206
NSN 5985-00-155-9417
NSN 6220-01-122-3155
NSN 4140-00-499-8216