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 5975-01-415-5771
NSN 5960-01-491-9916
NSN 5999-01-333-4368
NSN 5950-01-531-0553
NSN 5960-01-350-4288
NSN 6130-01-069-0161
NSN 6650-00-233-0705
NSN 5915-01-065-1127
NSN 4140-01-281-4058
NSN 5950-01-259-2157
NSN 5855-01-634-0259
NSN 4140-00-557-7001