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 6130-01-099-4950
NSN 5925-01-305-1415
NSN 5999-00-686-1957
NSN 6220-01-281-3454
NSN 5920-01-281-7354
NSN 5935-01-634-0668
NSN
NSN 6145-00-583-9989
NSN 5998-00-463-4463
NSN 6645-00-871-1187
NSN 5920-01-175-2808
NSN 5855-01-053-0679