White marks in four locations, equally spaced
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 5965-01-136-7970
NSN 7035-01-579-4897
NSN 7035-01-302-1797
NSN 6145-01-114-2995
NSN 5930-01-064-4381
NSN 5920-01-397-5521
NSN 6110-01-649-9467
NSN 6145-01-627-5093
NSN 5975-00-081-2171
NSN 6105-00-477-6880
NSN 6110-01-201-2578
NSN 5895-01-602-6103