Fire retardant additive
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 5910-01-605-1469
NSN 5910-01-641-4373
NSN 5990-00-067-1622
NSN 6650-00-768-4776
NSN 6150-01-597-2542
NSN 5935-00-225-0402
NSN 6135-00-334-4500
NSN 7035-01-069-3537
NSN 4140-01-158-9515
NSN 6240-00-080-2012
NSN 5965-00-079-2360
NSN 7035-00-897-7567