Part Number
Part Number:
NSN:
NIIN:
Item Name:
SPRING , HELICAL , TORSION
Definition:
AN OPEN-OR CLOSE-WOUND COIL SPRING CONSISTING OF ONE OR MORE HELICAL COILS, WOUND FROM DIFFERENT SHAPES AND TYPES OF MATERIAL AND FINISHED AT THE ENDS, DESIGNED TO EXERT PRESSURE IN A ROTATING DIRECTION AROUND THE COIL AXIS. EXCLUDES SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE COUNTERACTED BY CHANGES IN TEMPERATURE) AND SPRING, REINFORCING, HOSE.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
COIL, FLAT, LEAF, AND WIRE SPRIN
Inclusions:
INCLUDES COMPRESSION SPRINGS; TORSION SPRINGS; LEAF SPRING ASSEMBLIES; FLAT SPRINGS; EXTENSION SPRINGS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQK | END STYLE | STRAIGHT OFFSET FIRST END |
| AXMH | END ANGULAR RELATIONSHIP | ENDS PARALLEL ONE TO OTHER |
| CXTP | END LENGTH FROM SECOND BEND TO THIRD BEND OR END | 0.188 INCHES NOMINAL SECOND END |
| APCN | COIL QUANTITY | 4-1/2 |
| ABQK | END STYLE | MACHINE LOOP END SECOND END |
| AARX | INSIDE DIAMETER | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.661 INCHES MINIMUM AND 0.692 INCHES MAXIMUM |
| AGEK | SPRING FREE LENGTH | 0.375 INCHES NOMINAL |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| AXMC | HOOK RADIUS | 0.063 INCHES NOMINAL SECOND END |
| STYL | STYLE DESIGNATOR | SINGLE TORSION LEFT HAND |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |