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 5990-01-054-4255
NSN 5930-01-417-9219
NSN 5975-00-321-1146
NSN 6110-01-554-6931
NSN 5855-00-937-2326
NSN 6135-00-896-3187
NSN 6240-01-275-4535
NSN 6620-01-520-4186
NSN 6130-01-551-1185
NSN 5996-00-153-3216
NSN 6620-00-296-6762
NSN 5920-00-305-2867