0.275 in. Wide rib centrally located across the inside dia.
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 5965-01-538-8795
NSN 5895-01-434-6341
NSN 6105-00-018-0735
NSN 6150-00-421-8774
NSN 5835-01-521-4979
NSN 5835-00-198-4936
NSN 5930-00-840-0592
NSN 6145-00-216-6613
NSN 6320-01-399-6177
NSN 6145-01-502-7553
NSN 5930-00-340-2932
NSN 6105-00-780-8017