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 5835-01-553-6772
NSN 6620-00-838-6954
NSN 6135-00-299-6918
NSN 5930-01-619-8729
NSN 6610-01-323-0901
NSN 6645-01-106-6369
NSN 5985-00-901-1774
NSN 6240-00-803-2777
NSN 5915-01-139-1557
NSN 6110-00-891-0988
NSN 7035-00-470-4977
NSN 5905-01-501-6363