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 5990-01-159-5988
NSN 6610-00-288-5655
NSN 6685-00-876-3167
NSN 5996-00-103-1226
NSN 4140-01-063-4852
NSN 5910-01-465-3576
NSN 6110-00-734-4692
NSN 6135-00-519-1325
NSN 5998-00-617-6239
NSN 5996-01-237-4501
NSN 6135-01-100-3593
NSN 4140-01-198-1452