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 5996-00-968-5045
NSN 5895-01-389-9260
NSN 5996-00-173-2620
NSN 5996-01-297-0740
NSN 5925-01-167-5954
NSN 6220-01-342-5191
NSN 5998-01-280-3450
NSN 5960-00-269-4762
NSN 6135-01-422-1440
NSN 5950-01-416-5090
NSN 6620-01-306-1347
NSN 5985-00-591-3001