Hardware & Fasteners
 
Springs

Steel Extension Spring
Hookends

(HWS) ES.315X1.3
Steel extension spring. Hookends. 0.025" diameter wire. 0.315" outside diameter. 0.654" long body. 1.3" overall length (relaxed). 3.4" overall length (stretched).
 

Compression Spring

(HWX) 036-12289
Compression spring. Helical. 0.477" outside diameter, 0.242" inside diameter, 0.122" outside diameter wire, 1.088" long. NSN: 5630-00-664-7385.
$1.50 each - $1.25 (6+), $1 (25+)
 
$2.96 each - $2.50 (5+), $2 (25+)

Coiled Compression Spring

(HWX) CS.75X1
Coiled compression spring. 3-1/2 turns. 0.478" inside diameter. 3/4" outside diameter x 1". 0.165" wire diameter.
 

Extension Spring

(HWS) 204-070-458-1
Extension spring. 45# load rating. Spring deflection: 15# / inch. Cadmium plated. 1.624" outside diameter, 14.7" long. NSN: 5360-00-806-2426.
$3 each
 
$25 each - $22 (3+), $19 (12+)