Age control per ana bulletin 438
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 5975-00-553-7151
NSN 5950-01-500-2223
NSN 5935-00-735-8819
NSN 5905-00-898-2093
NSN 6135-01-508-6083
NSN 6620-01-434-3675
NSN 6650-00-211-6302
NSN 6110-01-243-2989
NSN 5998-00-540-1948
NSN 5996-01-218-0522
NSN 5920-01-612-1893
NSN 5895-01-210-3418