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 5990-00-951-8367
NSN 5960-01-219-5504
NSN 4140-01-173-2994
NSN 5835-01-583-0453
NSN 5950-01-215-7234
NSN 6145-00-159-7743
NSN 6240-01-303-6174
NSN 6320-00-937-5625
NSN 4140-01-240-1116
NSN 7035-00-803-3056
NSN 5996-01-202-8605
NSN 6685-00-312-8319