SKU / Product Info	Quantity
70521 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.208/5.3; Rate (Lbs./In N/mm): 4.8/0.84; Sugg. Max. DEFL.: 0.21/5.4; Sugg. Max. Load.: 1/4.6; Solid Length (Inches/mm): 0.06/1.5; Wire Dia. (Inches/mm): 0.016/0.4; Total Coi
70521S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.208/5.3; Rate (Lbs./In N/mm): 4.1/0.71; Sugg. Max. DEFL.: 0.17/4.3; Sugg. Max. Load.: 0.68/3; Solid Length (Inches/mm): 0.06/1.5; Wire Dia. (Inches/mm): 0.016/0.4; Total Co
70537 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.204/5.2; Rate (Lbs./In N/mm): 7.4/1.3; Sugg. Max. DEFL.: 0.2/5; Sugg. Max. Load.: 1.5/6.5; Solid Length (Inches/mm): 0.07/1.8; Wire Dia. (Inches/mm): 0.018/0.5; Total Coils
70537S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.204/5.2; Rate (Lbs./In N/mm): 6.2/1.1; Sugg. Max. DEFL.: 0.16/3.9; Sugg. Max. Load.: 0.97/4.3; Solid Length (Inches/mm): 0.07/1.8; Wire Dia. (Inches/mm): 0.018/0.5; Total C
70554 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.2/5.1; Rate (Lbs./In N/mm): 9.8/1.7; Sugg. Max. DEFL.: 0.2/5.2; Sugg. Max. Load.: 2/8.9; Solid Length (Inches/mm): 0.09/2.2; Wire Dia. (Inches/mm): 0.02/0.5; Total Coils: 4
70554S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.2/5.1; Rate (Lbs./In N/mm): 8.3/1.5; Sugg. Max. DEFL.: 0.16/4; Sugg. Max. Load.: 1.3/5.9; Solid Length (Inches/mm): 0.09/2.2; Wire Dia. (Inches/mm): 0.02/0.5; Total Coils:
70578 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.196/5; Rate (Lbs./In N/mm): 15/2.6; Sugg. Max. DEFL.: 0.18/4.6; Sugg. Max. Load.: 2.6/12; Solid Length (Inches/mm): 0.09/2.4; Wire Dia. (Inches/mm): 0.022/0.6; Total Coils:
70578S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.196/5; Rate (Lbs./In N/mm): 12/2.2; Sugg. Max. DEFL.: 0.14/3.6; Sugg. Max. Load.: 1.8/7.8; Solid Length (Inches/mm): 0.09/2.4; Wire Dia. (Inches/mm): 0.022/0.6; Total Coils
70620 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.188/4.8; Rate (Lbs./In N/mm): 28/4.9; Sugg. Max. DEFL.: 0.14/3.7; Sugg. Max. Load.: 4.1/18; Solid Length (Inches/mm): 0.11/2.9; Wire Dia. (Inches/mm): 0.026/0.7; Total Coil
70620S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.188/4.8; Rate (Lbs./In N/mm): 24/4.2; Sugg. Max. DEFL.: 0.11/2.9; Sugg. Max. Load.: 2.7/12; Solid Length (Inches/mm): 0.11/2.9; Wire Dia. (Inches/mm): 0.026/0.7; Total Coil
70642 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.182/4.6; Rate (Lbs./In N/mm): 40/7; Sugg. Max. DEFL.: 0.14/3.6; Sugg. Max. Load.: 5.6/25; Solid Length (Inches/mm): 0.14/3.5; Wire Dia. (Inches/mm): 0.029/0.7; Total Coils:
70642S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.182/4.6; Rate (Lbs./In N/mm): 34/6; Sugg. Max. DEFL.: 0.11/2.8; Sugg. Max. Load.: 3.8/17; Solid Length (Inches/mm): 0.14/3.5; Wire Dia. (Inches/mm): 0.029/0.7; Total Coils:
70660 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.176/4.5; Rate (Lbs./In N/mm): 63/11; Sugg. Max. DEFL.: 0.12/3; Sugg. Max. Load.: 7.5/33; Solid Length (Inches/mm): 0.15/3.8; Wire Dia. (Inches/mm): 0.032/0.8; Total Coils:
70660S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.176/4.5; Rate (Lbs./In N/mm): 53/9.4; Sugg. Max. DEFL.: 0.09/2.4; Sugg. Max. Load.: 5/22; Solid Length (Inches/mm): 0.15/3.8; Wire Dia. (Inches/mm): 0.032/0.8; Total Coils:
70679 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.17/4.3; Rate (Lbs./In N/mm): 88/15; Sugg. Max. DEFL.: 0.1/2.7; Sugg. Max. Load.: 9.2/41; Solid Length (Inches/mm): 0.17/4.3; Wire Dia. (Inches/mm): 0.035/0.9; Total Coils:
70679S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.17/4.3; Rate (Lbs./In N/mm): 75/13; Sugg. Max. DEFL.: 0.08/2.1; Sugg. Max. Load.: 6.3/28; Solid Length (Inches/mm): 0.17/4.3; Wire Dia. (Inches/mm): 0.035/0.9; Total Coils:
70700 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.164/4.2; Rate (Lbs./In N/mm): 127/22; Sugg. Max. DEFL.: 0.09/2.3; Sugg. Max. Load.: 12/52; Solid Length (Inches/mm): 0.19/4.7; Wire Dia. (Inches/mm): 0.038/1; Total Coils:
70700S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.164/4.2; Rate (Lbs./In N/mm): 108/19; Sugg. Max. DEFL.: 0.07/1.9; Sugg. Max. Load.: 7.9/35; Solid Length (Inches/mm): 0.19/4.7; Wire Dia. (Inches/mm): 0.038/1; Total Coils:
70720 O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.16/4.1; Rate (Lbs./In N/mm): 155/27; Sugg. Max. DEFL.: 0.09/2.2; Sugg. Max. Load.: 14/60; Solid Length (Inches/mm): 0.2/5.1; Wire Dia. (Inches/mm): 0.04/1; Total Coils: 5;
70720S O.D. (Inches/mm): 0.24/6.1; Free Length (Inches/mm): 0.31/7.9; I.D. (Inches/mm): 0.16/4.1; Rate (Lbs./In N/mm): 132/23; Sugg. Max. DEFL.: 0.07/1.8; Sugg. Max. Load.: 9.2/41; Solid Length (Inches/mm): 0.2/5.1; Wire Dia. (Inches/mm): 0.04/1; Total Coils: 5;

Quick Overview

MATERIAL:

MW - Music Wire

SPR - Spring Steel

HD - Hard Drawn

OT - Oil Tempered

SST - Stainless Steel

BC - Beryllium Copper

PB - Phosphor Bronze

ENDS:

C - Closed

G - Ground

O - Open

FINISH:

Z - Zinc

BO - Black Oxide

GI - Gold Irridite

T - Tinned Wire

N - None

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Details

Century Spring warehouses the largest inventory of high-grade, straight, cylindrically-shaped compression springs in the world. All the springs found in this section of the catalog are fabricated from round wire. The energy storage capacity is greater for round-wire compression springs than for rectangular-wire compression springs.

Additional Information

Manufacturer: Century Spring Corp.

For More Information on the Compression Springs; O.D. (Inches/mm): 0.24/6.1; Length (Inches/mm): 0.31/7.9, [Click Here] to Link to Manufacturer Web Site

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