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 5960-01-412-0619
NSN 5990-01-498-0641
NSN 5930-01-373-8258
NSN 6135-01-485-3450
NSN 6150-01-327-1831
NSN 5975-00-421-2276
NSN 6145-00-252-8969
NSN 5945-00-067-5776
NSN 6320-01-170-4068
NSN 5998-00-237-1937
NSN 5975-01-634-0678
NSN 6135-01-159-3032