MANDATORY SPECIFICATIONS

1. FREE LENGTH
   a. __________ in. max., __________ in. min. or
   b. __________ in. ± __________ in.
2. OUTSIDE DIAMETER
   a. __________ in. max. or
   b. __________ in. ± __________ in.
3. INSIDE DIAMETER
   a. __________ in. min. or
   b. __________ in. ± __________ in.
4. Load __________ lb. ± __________ lb. @ __________ in.
   Load __________ lb. ± __________ lb. @ __________ in.
   Rate __________ lb. per in. ± __________ lb. per in.
   between lengths of __________ in. and __________ in.
5. Maximum solid height __________ in.
6. Direction of helix (L,R or optional) __________
7. Type of ends _________________

ADVISORY DATA

1. Wire diameter __________ in.
2. Mean coil diameter __________ in.
3. No. of active coils __________
4. Total no. of coils __________

SPECIAL INFORMATION

1. Type of material ____________________
2. Finish ____________________
3. Squareness (free): within __________°
4. Frequency of compression, __________ cycles/sec,
   and working range, __________ in. to __________ in.
   of length.
5. Operating temp. __________°F
6. End use or application ____________________
7. Other ____________________