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 5990-01-065-0492
NSN 6685-01-408-3663
NSN 6610-01-426-5090
NSN 5895-00-948-6953
NSN 2925-01-408-9485
NSN 5935-00-453-7827
NSN 5945-01-651-8654
NSN 6145-00-871-5361
NSN 5996-01-270-5095
NSN 4140-01-526-0835
NSN 6685-00-053-9917
NSN 6645-01-252-8870