Color is rust
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 6620-01-228-1571
NSN 5998-01-263-8033
NSN 5965-00-199-4456
NSN 5835-01-544-5183
NSN 6145-00-291-5388
NSN 6650-01-649-0228
NSN 5975-01-134-2271
NSN 6650-00-486-7924
NSN 5855-01-432-2487
NSN 5999-01-450-4705
NSN 5930-01-038-5921
NSN 5965-01-565-8240