| END ANGULAR RELATIONSHIP | ENDS PARALLEL ONE TO OTHER |
| COIL HELIX DIRECTION | LEFT-HAND |
| COIL TO HOOK INSIDE LENGTH | 0.144 INCHES NOMINAL BOTH ENDS |
| DESIGN TYPE | MAINSPRING |
| END STYLE | SHORT TWISTED HOOK BOTH ENDS |
| HOOK RADIUS | 0.072 INCHES NOMINAL BOTH ENDS |
| INSIDE DIAMETER | 0.144 INCHES NOMINAL |
| LOAD RATING | 0.300 POUNDS MINIMUM AND 2.500 POUNDS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL UNS K08500 OVERALL |
| SPRING DEFLECTION RATE | 3.800 POUNDS PER INCH NOMINAL |
| SPRING FREE LENGTH | 0.750 INCHES NOMINAL |
| SPRING FREE OUTSIDE DIAMETER | 0.188 INCHES NOMINAL |
| STOCK DIAMETER | 0.022 INCHES NOMINAL |
| STYLE DESIGNATOR | CYLINDRICAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |