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 6240-01-218-5187
NSN 5950-01-131-8548
NSN 5945-01-398-6873
NSN 4140-01-170-4479
NSN 5985-00-792-4721
NSN 5975-00-370-1463
NSN 6220-00-736-8791
NSN 5855-01-617-2964
NSN 5960-00-503-1847
NSN 6685-01-321-0111
NSN 6145-00-534-1412
NSN 5985-00-914-6299