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 4140-01-168-1993
NSN 6150-01-325-5715
NSN 6610-01-184-9700
NSN 5945-01-347-7750
NSN 5975-01-253-3999
NSN 5960-01-598-6003
NSN 2925-01-041-2360
NSN 5910-01-130-2136
NSN 5925-01-245-8648
NSN 5985-01-510-4684
NSN 6320-01-312-0964
NSN 5999-01-376-5601