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 |
|---|---|---|
| AGEK | SPRING FREE LENGTH | 0.245 INCHES NOMINAL |
| AXLX | COIL AXIS TO CENTER SECTION DISTANCE | 0.590 INCHES NOMINAL |
| AHQA | CENTER SECTION WIDTH | 0.380 INCHES NOMINAL |
| AXMH | END ANGULAR RELATIONSHIP | END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION |
| AARX | INSIDE DIAMETER | 0.398 INCHES NOMINAL |
| APCN | COIL QUANTITY | 3-3/4 |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SINGLE TORSION LEFT HAND |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |