SKU / Product Info	Quantity
81138 O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 9.7/1.7; Initial Tension (Lbs./N): 4/19; Sugg. Max. DEFL.: 4.8/122; Sugg. Max. Load.: 51/227; Wire Dia. (Inches/mm): 0.125/3.18; MAT'L: MW; Finish: N
81138S O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 8.2/1.4; Initial Tension (Lbs./N): 4/16; Sugg. Max. DEFL.: 3.7/93; Sugg. Max. Load.: 34/150; Wire Dia. (Inches/mm): 0.125/3.18; MAT'L: SST; Finish: N
81146 O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 24/4.3; Initial Tension (Lbs./N): 7/30; Sugg. Max. DEFL.: 3/77; Sugg. Max. Load.: 80/356; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: MW; Finish: N
81146S O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 21/3.6; Initial Tension (Lbs./N): 6/25; Sugg. Max. DEFL.: 2.2/57; Sugg. Max. Load.: 52/232; Wire Dia. (Inches/mm): 0.148/3.76; MAT'L: SST; Finish: N
81154 O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 60/10; Initial Tension (Lbs./N): 11/49; Sugg. Max. DEFL.: 2/51; Sugg. Max. Load.: 132/587; Wire Dia. (Inches/mm): 0.177/4.5; MAT'L: MW; Finish: N
81154S O.D. (Inches/mm): 1.5/38.1; Length (Inches/mm): 4.5/114.3; Rate (Lbs./In. - N/mm): 51/8.9; Initial Tension (Lbs./N): 9/41; Sugg. Max. DEFL.: 1.5/38; Sugg. Max. Load.: 85/376; Wire Dia. (Inches/mm): 0.177/4.5; 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): 1.5/38.1; Length (Inches/mm): 4.5/114.3, [Click Here] to Link to Manufacturer Web Site

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