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 4140-00-111-3247
NSN 6320-01-390-5385
NSN 5910-01-324-1567
NSN 6620-01-621-0719
NSN 6240-01-273-0193
NSN 5985-00-361-2607
NSN 6650-01-514-0240
NSN 5910-00-271-7588
NSN 6610-01-138-1727
NSN 5999-01-545-3682
NSN 6135-01-122-4448
NSN 5935-00-752-2772