The resulting finish complies with military specification mildtl 924d class 4 and offers. These companies of amphenol corporation combine to provide design. Find the most uptodate version of mildtl924 at engineering360. Federal specification mildtl924 and saeams2485 description.
Military specification mildtl924, detailed specification. Black oxide or blackening is a conversion coating for ferrous materials, stainless steel, copper. The chemical conversion coating shall be continuous in appearance and visibly discernible in daylight. Black oxide coatings, with or without a supplementary preservative treatment see. Mildtl32119 coatings, electroless nickel, special applications classified, see your contracting officer. Mildtl5541f chemical conversion coatings on aluminum and. Parts with chromic acid do not meet rohs andor reach and we recommend ams 2485k as an. Coating, oxide, black, for ferrous metals now mildtl924 to find similar documents by federal supply class code. After rinsing, the parts should be dried by warm dry air and given a chromic acid dip as outlined in 3. Mil c16173 grade 3 cleveland black oxide does not comply with the chromic acid step 3. The coatings present a pleasing black appearance frequently employed for decorative purposes or decrease in light reflection. March 1999 coating, oxide, black, for ferrous metals superseding mil c924c. These companies of amphenol corporation combine to provide.
Sensitive 18 march 1999 detail specification milstd188. The area to be touched up shall be not greater than 5 percent of the total item surface area see 6. A common manual aerosol sprayer type applicator shall be used. Black oxide coatings, with or without a supplementary preservative treatment, may be used where a black surface is required. This specification covers black oxide coatings applied to ferrous metals wrought iron, carbon, low alloy, and corrosion resistant. A supplementary water displacing preservative coating such as milprf16173, grade 3 or comparable material which will provide equal or superior corrosion protection may be specified. Board level and rectangular interconnects amphenol aerospace. Hypertacs new hyperspring product combine the companys highreliability.
Coating, oxide, black, for ferrous metals, is the mainstay for. Milc924 black oxide finish offers a combination of properties that cannot be provided any other way. This film is most often used to provide a uniform black color on steel parts or as a carrier for an oil film which provides limited corrosion protection. The black coating of class 4 shall be processed in accordance with instructions furnished by the suppliers of the raw materials and the resulting coating shall conform to the applicable requirements of this specification. Black oxide is a process for producing an adherent black finish on steel and iron parts. Courtesy of longlok fasteners corporation created date. Poor durability of black oxide on 174ph stainless paintcoatings. Black oxide coating of nitronic 60 steel and stainless engineering.
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