Plating Guidelines
BLACK NITRIDE AND DRY TO TOUCH OIL( BN )
- Applicable to steel and stainless steel only.
- Parts are heat treated to give them a thin, hard, durable case with a dark brown to black color.
- Compound layer meets requirements of Section 3.4 of SAE AMS2753.
- Dry to touch oil added to improve appearance and corrosion resistance.
- Parts will withstand 12 hour humidity test (90% to 95% relative humidity at approximately 104°F) with no red rust.