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 5920-00-144-2535
NSN 5990-01-338-2103
NSN 5925-01-422-6783
NSN 6645-01-190-0085
NSN 6220-01-058-2297
NSN 6610-01-149-1465
NSN 5990-00-043-4048
NSN 6240-01-227-4178
NSN 6130-00-351-0309
NSN 4140-00-320-8614
NSN 4140-00-635-9195
NSN 5990-01-504-9265