Compression Spring, Precision, 302 Stainless Steel, Finish Plain, Overall Length 9/16 In, Outside Dia 0.180 In, Wire Type Round, Wire Dia 0.026 In, End Type Closed and Ground, Compressed Length 0.274 In, Load 4.02 Lbs, Deflection @ Load 0.21 In, Spring Rate 19.16 Lbs/In, Meets/Exceeds ASTM A313, Package 5