5310-00-688-2202 WASHER,LOCK Index 5305-00-688-2298 SCREW,MACHINE

National Stock Number:
5306-00-688-2206

Federal Supply Class:
5306

National Item Identification Number:
006882206

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.


Manufacturer Information:
FFB584TYPE1STYLE181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH5.500 INCHES NOMINAL
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
HEAD DIAMETER0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM
HEAD HEIGHT0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD STYLEBUTTON
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
NOMINAL THREAD DIAMETER0.375 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND 1 CLASS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.000 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH16


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