5210-00-439-5519 LEVEL,SPIRIT Index 4920-00-439-5522 TEST STAND,AIRCRAFT ENGINE

National Stock Number:
3460-00-439-5521

Federal Supply Class:
3460

National Item Identification Number:
004395521

Description:
COLLET,MACHINE

Detail:
A WORK HOLDING DEVICE CONSISTING OF A LONGITUDINALLY SLOTTED SLEEVE WHICH HAS A TAPERING OR CONICAL END DESIGNED TO FIT INTO A CORRESPONDING TAPER OF A CHUCK SO THAT THE LENGTHWISE MOVEMENT OF THE SLEEVE CAUSES A CONTRACTION OR EXPANSION OF THE GRIPPING SURFACES. THE GRIPPING OR HOLDING TENSION IS ACTUATED BY A BACKWARD PULL (DRAW IN) OR BY A FORWARD PUSH (FORCE IN). USED ON LATHES, MILLING MACHINES, SCREW MACHINES AND THE LIKE. EXCLUDES SOCKET, STRAIGHT SHANK TOOL AND SOCKET, TAPER SHANK TOOL.


Manufacturer Information:
A-C5226-254370ALFA LAVAL INC.


Techincal Specification:
DESIGN TYPESPRING DRAW-IN
INTERNAL GRIP HOLE SHAPEROUND
OVERALL LENGTH2.000 INCHES MINIMUM AND 2.031 INCHES MAXIMUM
MATERIAL SIZE ACCOMMODATED0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
MATERIALSTEEL
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
THREAD LOCATIONEXTERNAL
THREAD SIZE1.312-20


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