| ELLIPTIC SHAPE | THREE-QUARTER |
| DESIGN TYPE | MAINSPRING W/AUXILIARY LEAF |
| INDIVIDUAL LEAF TYPE DESIGNATION | LEAF NO.1 MAIN SPRING |
| INDIVIDUAL LEAF TYPE DESIGNATION | LEAF NO.2 AUXILIARY SPRING |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI/SAE 6150H AND GALVANIZED STEEL, ASTM A525 SHEET ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL HARDNESS RATING | 388.0 BRINELL MINIMUM AND 461.0 BRINELL MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SPECIAL FEATURES | COAT CONTACT AREAS WITHIN SPRING WITH ZINC RICH PRIMER AND COAT FULL ASSEMBLY VIA DIP PROCESS WITH ICS-2502/383 GREEN PROTECTIVE COATING; FULL NAME FOR ITEM IS "SPRING ASSY, PARABOLIC LEAF" |
| SPRING LENGTH UNDER LOAD | 1770.0 MILLIMETERS NOMINAL |
| SUPPLEMENTARY FEATURES | ALIGNMENT CLIP DESIGN IS AT MFR'S OPTION |
| SURFACE TREATMENT | ZINC AND PAINT OVERALL |