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 5925-01-621-1509
NSN 5990-01-580-2191
NSN 6130-01-080-8766
NSN 6220-01-437-5659
NSN 5925-00-776-2620
NSN 7035-00-946-2642
NSN 4140-01-023-8846
NSN
NSN 5996-01-477-6709
NSN 6135-01-026-9960
NSN 6645-01-435-8356
NSN 5998-00-536-4873