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 6320-01-250-0290
NSN 4140-01-105-3036
NSN 4140-01-181-3307
NSN 6135-00-110-1981
NSN 6220-00-149-0977
NSN 6645-00-810-7229
NSN 5950-01-440-0236
NSN 5945-01-168-7480
NSN 6145-00-691-3609
NSN 6150-01-056-4345
NSN 5975-01-209-3183
NSN 5855-01-175-2465