Materials:

Contact: Beryllium Copper, Alloy 165, ½ HM.
Spring: Stainless Steel, 302
Sq. Pin: Phosphor Bronze, Alloy 510
Finish:
Contact & Sq. Pin: Gold plated per MIL-G_45204, Type II, Class 00 over nickel.
Insulation: Glass filled nylon.
Marking: “POMONA GRABBER® 4521”
Overall Length: 1.73”

Ratings:

Operating Temperature: +102°C. (+216°F.) Max.
Operating Voltage: 150 VRM/DC
Current: 3 Amperes