17 lb per cu ft density rating
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 6110-00-809-1401
NSN 6110-01-646-3135
NSN 6145-00-233-6010
NSN 6150-01-371-3023
NSN 5895-00-023-6839
NSN 6145-00-296-0085
NSN 6320-01-292-6635
NSN 7035-00-861-7913
NSN 6105-01-619-9791
NSN 5998-00-206-3357
NSN 6150-00-127-5179
NSN 5975-01-032-5109