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 2925-00-391-0331
NSN 5975-01-100-3222
NSN 5930-01-580-7576
NSN 6130-00-839-6148
NSN 5975-00-155-4181
NSN 5920-01-251-5011
NSN 5905-00-895-3745
NSN 6150-01-602-9767
NSN 6135-01-599-4006
NSN 5855-00-145-3307
NSN 6320-00-456-0836
NSN 4140-01-476-2344