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 4140-00-254-7257
NSN 6135-00-422-3967
NSN 5915-01-217-1394
NSN 5910-01-580-0857
NSN 5930-01-652-9484
NSN 4140-00-397-9252
NSN 5925-01-303-7595
NSN 6105-01-618-5171
NSN 5975-01-074-3445
NSN 5960-01-225-9914
NSN 5915-00-870-4654
NSN 6105-01-634-0322