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 5990-01-400-2195
NSN 5960-01-413-3877
NSN 6645-01-529-2474
NSN 4140-01-224-6994
NSN 4140-01-106-4456
NSN 4140-00-470-7557
NSN 5945-01-020-6263
NSN 5996-00-377-9464
NSN 5960-01-500-6615
NSN 5855-00-110-9341
NSN 2925-00-355-5130
NSN 5920-01-284-1786