Extension Spring, Ultra Precision, 302 Stainless Steel, Plain, End Type Full Twist Loops, Overall Length 5/8 In, Outside Dia 0.240 In, Wire Dia 0.029 In, Load 3.91 Lbs, Deflection @ Load 0.25 In, Initial Tension 0.35 Lbs, Spring Rate 14.34 Lbs/In, Meets/Exceeds ASTM A313 and AMS 5688, Package 3