9540-00-526-2560 BEAM,STRUCTURAL Index 9540-00-526-2565 BEAM,STRUCTURAL

National Stock Number:
5340-00-526-2562

Federal Supply Class:
5340

National Item Identification Number:
005262562

Description:
FASTENER,FLARE LOCK

Detail:
A SHOULDERED HOLLOW SCREW AND THREADED SLEEVE ASSEMBLY, DESIGNED TO BE FASTENED IN PLACE BY TURNING THE SCREW, CAUSING ONE END OF THE SLEEVE TO FLARE OVER THE SHOULDER AND AGAINST THE MATERIAL THROUGH WHICH IT HAS BEEN INSERTED. ALSO, A COUNTERSUNK HEAD HOLLOW SCREW AND FLARED SLEEVE-NUT ASSEMBLY, DESIGNED TO MATE WITH A DIMPLED HOLE IN THE MATERIAL TO WHICH IT IS FASTENED. THE HOLLOW SCREWS MAY ALSO HAVE INTERNAL THREADS FOR ATTACHING SCREWS. SEE ALSO SHIELD, EXPANSION.


Manufacturer Information:
686517875EATON CORPORATION DBA AIR CONTROLS DIVISION DIV AIR CONTROLS DIVISION


Techincal Specification:
FEATURES PROVIDEDOPEN SLEEVE
HEAD DIAMETER0.344 INCHES NOMINAL
HEAD HEIGHT0.024 INCHES NOMINAL
HEAD STYLEFLAT
HOLE SIZE FOR WHICH DESIGNED0.234 INCHES NOMINAL
INTERNAL DRIVE STYLERECESSED
MATERIAL THICKNESS RANGE FOR WHICH DESIGNED+0.010 TO 0.045 INCHES
MOUNTING METHODSCREW
NOMINAL THREAD SIZE0.138 INCHES
SCREW MINIMUM LENGTH FOR WHICH DESIGNED0.625 INCHES
STYLE DESIGNATORCOUNTERBORED SLEEVE
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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