SKU / Product Info	Quantity
81163 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 12/2; Initial Tension (Lbs./N): 6/26; Sugg. Max. DEFL.: 5.6/143; Sugg. Max. Load.: 70/313; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: MW; Finish: N
81163S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 9.8/1.7; Initial Tension (Lbs./N): 5/22; Sugg. Max. DEFL.: 4.2/107; Sugg. Max. Load.: 46/205; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: SST; Finish: N
81171 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 29/5; Initial Tension (Lbs./N): 10/42; Sugg. Max. DEFL.: 3.7/93; Sugg. Max. Load.: 114/508; Wire Dia. (Inches/mm): 0.177/4.5; MAT'L: MW; Finish: N
81171S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 24/4.2; Initial Tension (Lbs./N): 8/36; Sugg. Max. DEFL.: 2.7/68; Sugg. Max. Load.: 73/326; Wire Dia. (Inches/mm): 0.177/4.5; MAT'L: SST; Finish: N
81179 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 63/11; Initial Tension (Lbs./N): 15/65; Sugg. Max. DEFL.: 2.5/64; Sugg. Max. Load.: 174/774; Wire Dia. (Inches/mm): 0.207/5.26; MAT'L: MW; Finish: N
81179S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7; Rate (Lbs./In. - N/mm): 54/9.4; Initial Tension (Lbs./N): 12/55; Sugg. Max. DEFL.: 1.8/45; Sugg. Max. Load.: 107/477; Wire Dia. (Inches/mm): 0.207/5.26; MAT'L: SST; Finish: N

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Additional Information

Manufacturer: Century Spring Corp.

For More Information on the Extension Springs; O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 5.5/139.7, [Click Here] to Link to Manufacturer Web Site

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