5305-00-558-6254 SCREW,ASSEMBLED WASHER Index 5305-00-558-6257 SCREW,MACHINE

National Stock Number:
5305-00-558-6256

Federal Supply Class:
5305

National Item Identification Number:
005586256

Description:
SCREW,ASSEMBLED WASHER

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


Manufacturer Information:
00503-0010000781CESSNA AIRCRAFT CO ARC AVIONICS DIV
503-5/3200781CESSNA AIRCRAFT CO ARC AVIONICS DIV


Techincal Specification:
FASTENER LENGTH0.156 INCHES NOMINAL
HEAD DIAMETER0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD HEIGHT0.054 INCHES MAXIMUM
HEAD STYLEBINDING
INTERNAL DRIVE STYLESLOT
MATERIALCOPPER ALLOY OVERALL OR STEEL CORROSION RESISTING OVERALL
PRIMARY WASHER MATERIAL THICKNESS0.025 INCHES NOMINAL
PRIMARY WASHER OUTSIDE DIAMETER0.220 INCHES NOMINAL
PRIMARY WASHER STYLEFLAT INTERNAL TEETH
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.099 INCHES
WASHER QUANTITY1
SURFACE TREATMENTNICKEL OVERALL
THREAD LENGTH0.131 INCHES MINIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH48
THREAD SERIES DESIGNATORUNC


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