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 5895-01-564-5640
NSN 4140-01-580-3291
NSN 6150-01-307-8284
NSN 5985-01-139-2735
NSN 5975-01-175-5635
NSN 5990-01-644-1441
NSN 6130-01-144-5481
NSN 6135-00-686-4777
NSN 6135-00-078-9931
NSN 5975-01-514-0742
NSN 5935-01-542-6799
NSN 6240-00-737-2775