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 6240-00-222-0276
NSN 5945-00-474-8958
NSN 2925-01-364-7926
NSN 5998-01-115-3404
NSN 6620-00-635-2417
NSN 6685-00-455-9941
NSN 5985-01-588-7470
NSN 6620-00-404-0149
NSN 5975-01-184-0636
NSN 5985-01-606-6059
NSN 5998-01-290-3913
NSN 5935-00-921-4993