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 5895-01-323-1980
NSN 6620-01-442-8444
NSN 6220-01-512-0144
NSN 5975-01-394-1046
NSN 5835-01-241-1090
NSN 6620-01-602-8402
NSN 6620-01-398-8986
NSN 5925-01-361-8836
NSN 6220-00-498-0992
NSN 6645-00-646-6631
NSN 6150-01-533-3129
NSN 5835-01-621-2525