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 5950-00-547-8790
NSN 5975-01-417-1752
NSN 5920-01-302-2845
NSN 5990-01-480-9938
NSN 7035-01-014-3808
NSN 6650-00-834-9062
NSN 5965-01-038-1904
NSN 6130-01-246-5383
NSN 6110-01-211-9682
NSN 5925-01-415-9961
NSN 6650-01-514-9139
NSN 4140-01-441-1661