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 6105-00-500-7225
NSN 5950-01-545-5762
NSN 5990-00-247-0975
NSN 6130-00-921-8453
NSN 6610-00-468-1958
NSN 5915-01-642-5294
NSN 6145-00-669-6795
NSN 5910-00-827-4117
NSN 5910-01-435-6053
NSN 6320-01-119-3935
NSN 7035-00-179-3924
NSN 6150-00-419-3788