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 4140-01-426-8428
NSN 6150-01-433-8350
NSN 6240-00-899-1049
NSN 6685-01-262-0050
NSN 5910-01-450-9041
NSN 2925-01-564-8043
NSN 6130-01-577-1232
NSN 6150-01-288-5523
NSN 6650-01-049-5361
NSN 5925-00-475-2648
NSN 5905-01-423-1338
NSN 2925-01-178-0063