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 6320-00-313-9114
NSN 5990-01-340-3575
NSN 6620-01-178-7838
NSN 6610-01-267-5382
NSN 5985-00-606-3113
NSN 5945-01-266-7670
NSN 6620-01-328-7059
NSN 6135-01-265-1384
NSN 5930-00-631-5027
NSN 6150-00-260-6293
NSN 5999-01-441-2433
NSN 5905-00-222-5621