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 4140-01-649-0939
NSN 5905-01-096-1222
NSN 5925-00-100-0102
NSN 5905-00-103-4263
NSN 6645-00-199-0080
NSN 5855-00-821-7512
NSN 5965-00-174-5792
NSN 5930-01-324-5331
NSN 5905-01-300-9726
NSN 5965-01-447-2992
NSN 5920-01-134-9307
NSN 6220-00-060-2614