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Extension Springs - Specification Form


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Mandatory Specifications (Fill in only those required)

1. OUTSIDE DIAMETER

Rate lb./in. ± lb./in.

a.       in. max. or

 between in. and in.

b.       in.  ± in.

 4. Maximum extended length (inside ends) without set in.

2. INSIDE DIAMETER

5. Relative loop position, ° max. separation of loop planes.

a.       in.  min. or

b.       in.  ± in.

6. Direction of helix (L, R or optional)

 

3. Load lb. ± lb. @ in.

   

    Load lb. ± lb. @ in.

7.Type of ends 

 

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Advisory Data

1. LENGTH INSIDE ENDS 

3. Mean coil diameter in.

a.  in. max., in. min. or

4. No. of active coils

b.  in.  ± in.

5. Total no. of coils in.

2. Wire diameter in.

6. Initial tension lbs.

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 Special Information

1. Type of material

 

2. Finish

5. End use or application

3. Frequency of extension, cycles/sec and working range, in. to in. of length.
4. Operating temp. °F

6. Other

      

  

© 2007, Curran Coil Spring, Inc.