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 5905-01-597-5572
NSN 5945-00-155-4290
NSN 5930-01-204-8350
NSN 6135-01-449-2144
NSN 6620-01-446-6571
NSN 6685-01-174-0873
NSN 6150-00-891-7922
NSN 6135-00-240-3200
NSN 4140-01-406-5344
NSN 5945-01-613-9463
NSN 6620-00-105-3312
NSN 5975-01-468-0032