Marked with a blue dot
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 5998-01-423-9323
NSN 6685-01-188-7379
NSN 6130-01-369-3654
NSN 6645-00-710-1352
NSN 4140-01-110-1980
NSN 6650-00-784-9222
NSN 5930-00-183-8598
NSN 7035-01-387-8655
NSN 5990-01-609-4793
NSN 5835-00-187-1481
NSN 5950-00-084-1566
NSN 5999-01-634-0576