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 4140-01-138-2205
NSN 6610-00-497-9925
NSN 6150-01-050-8268
NSN 5990-01-411-5930
NSN 5930-01-514-7192
NSN 5920-01-393-9804
NSN 6645-01-139-6473
NSN 5855-00-688-9954
NSN 5835-01-629-2044
NSN 5835-00-233-6327
NSN 5975-01-094-6250
NSN 7035-00-064-7008