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 6620-01-215-0470
NSN 6685-01-264-0093
NSN 5999-00-279-8005
NSN 6135-00-050-7189
NSN 5920-01-619-2621
NSN 6645-01-044-6376
NSN 5855-00-149-0766
NSN 4140-01-248-0157
NSN 6320-00-139-1090
NSN 6135-00-753-2276
NSN 6620-01-244-3425
NSN 5985-01-100-3676