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 |
|---|---|---|
| APCN | COIL QUANTITY | 4 |
| ABQK | END STYLE | STRAIGHT BEND END (RIGHT) OVERALL |
| AARX | INSIDE DIAMETER | 0.248 INCHES NOMINAL |
| CXTH | END LENGTH | 0.500 INCHES NOMINAL BOTH ENDS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CXTN | END LENGTH FROM FIRST BEND TO SECOND BEND OR END | 0.250 INCHES NOMINAL OVERALL |
| AXMH | END ANGULAR RELATIONSHIP | ENDS ANGLED ONE TO OTHER |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.312 INCHES MAXIMUM |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AGEK | SPRING FREE LENGTH | 0.125 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SINGLE TORSION LEFT HAND |