Marked with a blue dot
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 5999-01-579-4194
NSN 5990-01-581-5103
NSN 6240-00-287-1988
NSN 5935-01-580-0653
NSN 5905-00-880-4209
NSN 5905-01-401-5325
NSN 5935-00-622-6760
NSN 6220-00-635-8818
NSN 5925-01-172-8515
NSN 5975-01-289-8991
NSN 5965-00-946-6692
NSN 5998-01-632-0813