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 6320-01-118-0553
NSN 2925-01-250-2731
NSN 5996-00-945-3550
NSN 5920-00-840-7974
NSN 5935-00-284-3984
NSN 6105-00-351-8009
NSN 6130-00-978-6703
NSN 5950-00-456-1844
NSN 5975-01-523-4498
NSN 5965-01-360-0454
NSN 5990-01-414-7618
NSN 5895-01-334-7058