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 5975-00-221-7175
NSN 6320-00-360-1744
NSN 6650-01-125-4989
NSN 5975-01-386-3061
NSN 6645-01-617-3354
NSN 6220-00-252-0702
NSN 5855-00-361-0167
NSN 5930-01-137-3158
NSN 5990-01-400-3299
NSN 5965-00-925-1725
NSN 5960-00-905-2459
NSN 6620-01-643-6817