5306-00-619-2421 BOLT,SQUARE NECK Index 5306-00-619-2423 BOLT,SQUARE NECK

National Stock Number:
5306-00-619-2422

Federal Supply Class:
5306

National Item Identification Number:
006192422

Description:
BOLT,SQUARE NECK

Detail:
A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.


Techincal Specification:
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY ADDITION OF SQUARE NUT
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING207.0 SHORE SCLEROSCOPE MINIMUM OVERALL
HEAD DIAMETER0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD STYLEBUTTON
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
NECK LENGTH0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
NECK WIDTH0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
SPECIAL FEATURESFURNISHED WITH ONE SQUARE NUT IN ACCORDANCE WITH FEDERAL SPECIFICATION FF-N-836 TYPE1 STYLE1
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL


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