5306-00-558-6253 BOLT,INTERNAL WRENCHING Index 5305-00-558-6256 SCREW,ASSEMBLED WASHER

National Stock Number:
5305-00-558-6254

Federal Supply Class:
5305

National Item Identification Number:
005586254

Description:
SCREW,ASSEMBLED WASHER

Detail:
A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).


Manufacturer Information:
503 1-400781CESSNA AIRCRAFT CO ARC AVIONICS DIV
503-001600781CESSNA AIRCRAFT CO ARC AVIONICS DIV


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD HEIGHT0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
HEAD STYLEBINDING
INTERNAL DRIVE STYLESLOT
MATERIALCOPPER ALLOY OR STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.099 INCHES
PRIMARY WASHER MATERIAL THICKNESS0.025 INCHES MINIMUM
PRIMARY WASHER OUTSIDE DIAMETER0.220 INCHES NOMINAL
PRIMARY WASHER STYLEFLAT INTERNAL TEETH
WASHER QUANTITY1
SURFACE TREATMENTNICKEL FASTENER
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.225 INCHES MINIMUM
THREAD QUANTITY PER INCH48
THREAD SERIES DESIGNATORUNC


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