Hard Drawn Extension Spring - P/N 643

Part Number 643
Outside Diameter (in.) 0.625
Inside Diameter (in.) 0.531
Overall Length (in.) 11.000
Wire Diameter (in.) 0.047
Rate (lbs./in.) 0.18
Load (lbs.) 3.93
Deflection at Load (in.) 17.94
Initial Tension (lbs.) 0.70
End Style LOOP
End Type CROSSOVER
Material HARD DRAWN
Finish PLAIN
5 Piece Minimum Order Quantity
1-49 piece price $5.48
50-99 piece price $3.22
100-249 piece price $2.47
250-499 piece price $1.97
500-999 piece price $1.60
1000-1999 piece price $1.41
2000 or more CALL OR EMAIL
$35 minimum TOTAL purchase order.
diagram of extension spring