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 4140-01-045-4112
NSN 5975-01-501-6551
NSN 5895-01-146-9543
NSN 6685-01-371-2956
NSN 5920-01-556-9502
NSN 2925-01-482-8202
NSN 6650-00-483-2853
NSN 5920-00-170-4247
NSN 5950-01-351-9924
NSN 5998-01-110-6969
NSN 5990-00-705-4350
NSN 6135-01-100-3593