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 5905-01-249-7040
NSN 2925-00-617-0826
NSN 6220-01-339-0067
NSN 6220-00-469-9166
NSN 6135-00-377-9165
NSN 6150-00-644-8745
NSN 5915-01-437-7150
NSN 5920-01-318-1702
NSN 5925-01-442-8589
NSN 2925-00-994-8684
NSN 5910-00-602-4323
NSN 4140-00-179-3977