SKU / Product Info	Quantity
81165 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 7.9/1.4; Initial Tension (Lbs./N): 6/26; Sugg. Max. DEFL.: 8.2/208; Sugg. Max. Load.: 70/313; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: MW; Finish: N
81165S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 6.7/1.2; Initial Tension (Lbs./N): 5/22; Sugg. Max. DEFL.: 6.1/155; Sugg. Max. Load.: 46/205; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: SST; Finish: N
81173 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 20/3.4; Initial Tension (Lbs./N): 10/42; Sugg. Max. DEFL.: 5.3/135; Sugg. Max. Load.: 114/508; Wire Dia. (Inches/mm): 0.177/4.5; MAT'L: MW; Finish: N
81173S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 17/2.9; Initial Tension (Lbs./N): 8/36; Sugg. Max. DEFL.: 3.9/99; Sugg. Max. Load.: 73/326; Wire Dia. (Inches/mm): 0.177/4.5; MAT'L: SST; Finish: N
81181 O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 44/7.8; Initial Tension (Lbs./N): 15/65; Sugg. Max. DEFL.: 3.6/91; Sugg. Max. Load.: 174/774; Wire Dia. (Inches/mm): 0.207/5.26; MAT'L: MW; Finish: N
81181S O.D. (Inches/mm): 1.75/44.45; Length (Inches/mm): 6.5/165.1; Rate (Lbs./In. - N/mm): 38/6.6; Initial Tension (Lbs./N): 12/55; Sugg. Max. DEFL.: 2.5/64; 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): 6.5/165.1, [Click Here] to Link to Manufacturer Web Site

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