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 6620-00-383-8740
NSN 5930-01-029-8635
NSN 5950-00-790-0044
NSN 5965-00-757-3403
NSN 6135-01-187-0033
NSN 6220-01-259-8316
NSN 5925-00-432-0121
NSN 5855-00-832-9341
NSN 5835-01-378-6804
NSN 6610-01-187-9384
NSN 6240-01-483-8619
NSN 5930-00-117-0988