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 6320-01-521-1764
NSN 6685-00-942-8888
NSN 6645-01-086-7668
NSN 4140-01-655-5038
NSN 5975-01-453-0506
NSN 6135-01-110-3516
NSN 5950-01-175-0045
NSN 6130-01-557-8041
NSN 5945-01-546-7900
NSN 6145-01-156-5219
NSN 5935-01-550-9686
NSN 5910-01-033-9606