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 6240-01-337-2509
NSN 5950-00-498-5160
NSN 5895-01-005-8276
NSN 6150-00-553-0122
NSN 6135-00-078-9931
NSN 5960-01-087-8687
NSN 5945-01-055-6661
NSN 2925-00-992-7904
NSN 5999-01-415-1515
NSN 4140-01-369-8734
NSN 6145-00-551-5288
NSN 6240-00-570-9884