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 5835-00-257-2852
NSN 5855-00-256-5562
NSN 6145-00-596-8447
NSN 2925-01-521-0600
NSN 5945-01-502-9531
NSN 5915-01-213-3247
NSN 6685-01-343-5523
NSN 6685-01-144-1425
NSN 5998-01-085-1082
NSN 6150-01-399-8612
NSN 6135-01-528-6896
NSN 6620-01-611-3511