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 |
|---|---|
| 77272 | THE BOEING COMPANY DBA BOEING |
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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR CHROMATE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR CHROMATE OVERALL |
| AHQA | CENTER SECTION WIDTH | 0.564 INCHES NOMINAL |
| AXLX | COIL AXIS TO CENTER SECTION DISTANCE | 0.750 INCHES NOMINAL |
| AARX | INSIDE DIAMETER | 0.125 INCHES NOMINAL |
| CXTH | END LENGTH | 0.750 INCHES NOMINAL BOTH ENDS |
| AXLP | SPRING DEFLECTION RATE | 1.500 POUNDS PER INCH NOMINAL |
| MATT | MATERIAL | STEEL UNS K08500 OVERALL |
| ABQK | END STYLE | ONE HOOK END BOTH ENDS |
| STYL | STYLE DESIGNATOR | DOUBLE TORSION, RIGHT AND LEFT HAND |
| AGEK | SPRING FREE LENGTH | 1.350 INCHES NOMINAL |
| AXMH | END ANGULAR RELATIONSHIP | END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED TO CENTER SECTION |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | 0.189 INCHES NOMINAL |
| AXLY | CENTER LOOP RADIUS | 0.250 INCHES NOMINAL |
| ACVU | STOCK DIAMETER | 0.032 INCHES NOMINAL |
| APCN | COIL QUANTITY | 7-1/2 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AXLH | COIL HELIX DIRECTION | LEFT-HAND OR RIGHT-HAND |
| CXWF | CENTER STYLE | U TYPE |