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 5975-01-164-7428
NSN 5996-01-171-2132
NSN 4140-01-607-0795
NSN 5975-00-180-8255
NSN 5930-01-531-6998
NSN 6145-01-068-9944
NSN 6240-01-450-9269
NSN 6145-00-468-8534
NSN 6110-01-523-6677
NSN 6650-01-168-8451
NSN 6650-01-345-8843
NSN 7035-00-981-7216