5340-00-514-8090 STANDOFF,THREADED,SPACING Index 5340-00-521-5720 FASTENER,CYLINDER,SPRING LOADED

National Stock Number:
5340-00-520-4268

Federal Supply Class:
5340

National Item Identification Number:
005204268

Description:
STANDOFF,THREADED,SPACING

Detail:
A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see STUD (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see NUT (as modified); use maximum dimensions(s) for compliance.


Manufacturer Information:
520426800000ORDNANCE CORPS
520426819200US ARMY ARDEC RDECOM


Techincal Specification:
FLANGE DIAMETER0.188 INCHES NOMINAL
FLANGE THICKNESS0.770 INCHES MINIMUM AND 0.774 INCHES MAXIMUM
LENGTH1.140 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
MATERIALALUMINUM ALLOY 2024 STANDOFF
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.125 INCHES RIGHT EXTERNAL
SPECIAL FEATURESESHOULDER UNDERCUT 0.032 IN. W.BY 0.125 IN.DIA. 0.720 IN. FROM STUD END ANDSTUD END SLOTTED 0.032 IN.W.BY 0.047 IN.DEEP AND STUD END COUNTERBORED 0.116 IN.DIA BY 0.062 IN DEEP AND GRADIUS ON NUT END
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
SURFACE TREATMENTANODIZE STANDOFF
THREAD CLASS3B LEFT INTERNAL (INCLUDES THRU THREAD)3A RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD LENGTH0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.304 INCHES NOMINAL RIGHT EXTERNAL
THREAD QUANTITY PER INCH44 RIGHT EXTERNAL
THREAD QUANTITY PER INCH48 LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATORUNF LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATORUNF RIGHT EXTERNAL


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