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 4140-01-551-1125
NSN 5960-01-340-4487
NSN 5998-00-548-3191
NSN 6135-00-819-8074
NSN 5985-01-533-3398
NSN 6135-00-299-6918
NSN 6685-01-327-4783
NSN 5990-01-100-1840
NSN 6240-01-289-9898
NSN 2925-00-480-9068
NSN 6220-00-871-6154
NSN 5990-01-432-4249