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 6685-01-327-3286
NSN 6240-00-527-8614
NSN 6145-00-084-6035
NSN 5998-01-394-1675
NSN 6145-01-441-2252
NSN 6130-01-569-7151
NSN 5990-01-106-3786
NSN 5945-01-468-2816
NSN 5985-01-089-6620
NSN 5855-01-537-0499
NSN 6105-00-647-3955
NSN 5915-01-216-4375