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 5990-01-049-8499
NSN 6150-01-120-2776
NSN 6645-01-622-6161
NSN 5999-01-184-4309
NSN 5905-01-163-1452
NSN 5945-00-313-9512
NSN 5975-01-520-3252
NSN 6685-00-347-0472
NSN 5985-01-277-9650
NSN 6650-00-503-9633
NSN 6135-01-041-3829
NSN 5920-00-480-9754