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 5945-00-247-5903
NSN 5925-01-371-2555
NSN 5960-01-641-5493
NSN 4140-00-495-8704
NSN 6150-00-089-2466
NSN 5960-01-435-1167
NSN 5990-00-212-4316
NSN 4140-01-244-0548
NSN 6110-00-539-9543
NSN 6150-01-215-1149
NSN 5935-01-595-7097
NSN 5945-01-143-5980