Part Number
Part Number:
NSN:
NIIN:
Item Name:
BELL CRANK
Definition:
AN ITEM IN THE FORM OF TWO ARMS AT AN ANGLE, HAVING ITS FULCRUM AT THE APEX OF THE ANGLE, AND USED TO PROVIDE A MEANS OF CHANGING THE DIRECTION OR VARYING THE INTENSITY OF A PUSHING OR PULLING FORCE. SEE ALSO ARM (AS MODIFIED); AND LEVER (AS MODIFIED).
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
MISCELLANEOUS POWER TRANSMISSION
Inclusions:
INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CBBL | FEATURES PROVIDED | BEARING AND COUNTERBORE |
| STYL | STYLE DESIGNATOR | CLEVIS ENDS |
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 8.000 INCHES NOMINAL 2ND END |
| SFTT | SURFACE TREATMENT | PAINT |
| CZLN | END HOLE/BALL DIAMETER | 0.500 INCHES MINIMUM 1ST END AND 0.501 INCHES MAXIMUM 1ST END |
| ADGE | BORE LENGTH | 1.281 INCHES NOMINAL |
| CZLN | END HOLE/BALL DIAMETER | 0.500 INCHES MINIMUM 2ND END AND 0.501 INCHES MAXIMUM 2ND END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B265 GR3 ASSN STD SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | TITANIUM |
| FEAT | SPECIAL FEATURES | Z1ST END HAS RAISED FACE HOLES, 2ND END AND PIVOT HOLE ARE FLAT. 87.5 DEG. ANGLE BETWEEN ARMS. USED BEARING NSN 3120-01-484-8629. PART OF VLS MISSILE TUBE MUZZLE HATCH LOCK MECHANISM. BELL CRANK WITHOUT BEARING IS NSN 3040-01-485-8102 |
| CZLL | FULCRUM BORE SHAPE | PLAIN |
| ABXV | BORE DIAMETER | 1.000 INCHES MINIMUM AND 1.001 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN (688) |
| CZLM | CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL | 4.000 INCHES NOMINAL 1ST END |