| COIL HELIX DIRECTION | RIGHT-HAND |
| COIL QUANTITY | 9 |
| INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPRING, AIR CLOSING INTAKE DOOR |
| SPECIAL FEATURES | MATERIAL = MUSIC SPRING QUALITY STEEL, ASTM-A228 |
| SPECIAL TEST FEATURES | SPRING RATE = 37"LBS/DEGREE |
| SPECIFICATION/STANDARD DATA | 80204-Y14.13M-1981 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPRING FREE LENGTH | 1.350 INCHES NOMINAL |
| STYLE DESIGNATOR | DOUBLE TORSION, RIGHT AND LEFT HAND |
| SUPPLEMENTARY FEATURES | TORQUE AT INITIAL POSITION = 31"LBS, TORQUE AT FINAL POSITION = 42"LBS |