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 4140-01-107-5755
NSN 5950-01-042-2520
NSN 6320-01-318-6518
NSN 6320-01-493-4472
NSN 6610-01-130-2672
NSN 5996-01-607-1043
NSN 5950-00-003-1179
NSN 6110-01-131-5199
NSN 5915-00-681-6299
NSN 5925-01-562-4897
NSN 5930-01-532-8897
NSN 5960-01-059-6300