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 5925-01-364-7727
NSN 5998-00-440-3277
NSN 4140-00-089-0490
NSN 6110-01-504-9922
NSN 6620-01-072-9372
NSN 5996-01-545-7932
NSN 5975-01-309-8912
NSN 5990-01-255-6860
NSN 5945-01-500-2455
NSN 5975-01-029-4176
NSN 6650-01-315-4043
NSN 5945-00-633-7620