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 5910-01-234-0538
NSN 6135-01-351-2690
NSN 6150-01-132-7828
NSN 5965-00-963-1796
NSN 5835-00-984-1233
NSN 5945-01-436-4635
NSN 6220-00-770-4533
NSN 5895-00-947-9585
NSN 6240-01-603-0143
NSN 6145-01-631-8068
NSN 5895-01-059-8866
NSN 6620-01-535-0070