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 5990-00-003-4464
NSN 6240-00-269-3346
NSN 5975-01-088-4883
NSN 4140-00-660-8699
NSN 5920-00-227-6179
NSN 6135-00-477-8847
NSN 6150-01-647-3742
NSN 5930-00-679-9942
NSN 5996-00-826-8837
NSN 5998-01-426-3528
NSN 5925-01-064-9123
NSN 5990-01-160-6978