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 5990-01-157-0441
NSN 5910-01-444-3547
NSN 5985-01-647-6967
NSN 6135-00-753-2276
NSN 6130-00-456-5319
NSN 6240-01-115-4549
NSN 5930-01-221-7938
NSN 6610-00-487-4637
NSN 5998-01-179-2834
NSN 7035-01-478-5922
NSN 6240-00-113-8820
NSN 5895-00-539-8322