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 6145-01-634-0388
NSN 4140-00-529-4561
NSN 2925-00-247-6248
NSN 6620-01-462-5196
NSN 5935-00-904-4055
NSN 6220-01-477-5001
NSN 6110-01-259-8224
NSN 5930-01-224-9931
NSN 5935-01-476-8895
NSN 5960-00-960-3177
NSN 6610-01-168-7943
NSN 5950-01-272-6145