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 5990-01-386-5561
NSN 5996-01-380-1867
NSN 5950-00-740-8897
NSN 5985-01-133-2360
NSN 5975-00-964-7332
NSN 5915-00-985-5053
NSN 4140-01-437-6794
NSN 5985-00-784-5508
NSN 6145-01-003-5323
NSN 5945-01-252-7786
NSN 5965-00-739-2063
NSN 6645-01-465-3235