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 4140-01-385-4198
NSN 6145-01-284-5805
NSN 5930-00-221-0980
NSN 6610-01-152-2821
NSN 6610-01-516-7278
NSN 5998-00-795-7644
NSN 6620-00-388-0047
NSN 5905-01-631-8120
NSN 6145-00-775-0786
NSN 4140-01-156-6551
NSN 6645-01-077-4934
NSN 5996-01-336-9541