One side has pressure sensitive adhesive per mil-p-19834b
A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.
NSN 7035-01-518-6710
NSN 5915-01-440-9298
NSN 5925-00-231-8668
NSN 6110-01-272-4168
NSN 6610-00-872-2597
NSN 6320-01-232-4664
NSN 6220-01-079-2029
NSN 6150-00-974-9261
NSN 5835-01-185-1102
NSN 5920-00-898-7830
NSN 5910-00-194-3656
NSN 5985-01-284-5372