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 6620-01-235-7992
NSN 6220-01-485-8464
NSN 6610-01-641-1544
NSN 6145-01-477-9204
NSN 6135-01-295-8315
NSN 6135-01-400-2947
NSN 5985-01-202-0589
NSN 5975-01-195-3781
NSN 5910-00-418-8736
NSN 5999-00-111-4359
NSN 6240-01-338-6045
NSN 7035-01-469-0109