COATINGS LOCKING INSERTS
DRY-LUBE
Dry-lubricated, treatment to reduce friction and screw seizing.
Max operating temperature: 315°C – 600°F.
Appearance: gray, dark gray
Specifications: AS5272, MIL-L-46010
SILVER PLATING
Silver-plated, treatment for high-temperature applications that reduces the phenomenon of screw seizing.
Max operating temperature: 650°C – 1200°F.
Appearenca: ligh silver, white
Specification: QQ-S-365
CADMIUM
Cadmium-plated, treatment for military applications, corrosion-resistant and lubricating, not recommended for new applications due to its toxicity.
Max operating temperature: 650°C – 1200°F.
Appearance: Free Running inserts in gold, Locking inserts in shades of dark gray/olive green or dark brown.
Specification: ASM-QQ-P-416 Type II
COLORING
Coloring for identification purposes: green, blue
Standard coloring: all Locking inserts are colored red as a standard in accordance with NAS1130, NA0276, NASM21209.
Other treatments: Electroless Nickel, passivation, etc.