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 5920-01-437-6543
NSN 2925-01-569-1549
NSN 6145-01-181-5405
NSN 5975-01-473-7811
NSN 6650-01-116-9731
NSN 6620-01-651-5425
NSN 5910-01-360-8750
NSN 6620-00-045-8134
NSN 5985-01-071-6430
NSN 4140-01-569-1158
NSN 5915-01-426-1338
NSN 6610-01-398-8815