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 4140-01-020-4224
NSN 6135-01-328-6583
NSN 5915-01-595-7283
NSN 4140-00-451-8374
NSN 5975-01-263-2282
NSN 6105-00-058-8915
NSN 6135-01-396-4900
NSN 5990-01-647-8574
NSN 5985-01-579-4534
NSN 5895-01-592-7573
NSN 6145-00-084-6035
NSN 4140-01-556-7940