5310-00-044-5620 WASHER,OBJECTIVE ST Index 5305-00-044-5651 SCREW,ASSEMBLED WASHER

National Stock Number:
5306-00-044-5623

Federal Supply Class:
5306

National Item Identification Number:
000445623

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:
ASME-B18.505047THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B18.580204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-B-58481348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-B-584 TY1CL1STAGR180244GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
MS35751-2696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH3.500 INCHES NOMINAL
HARDNESS RATING95.0 ROCKWELL B NOMINAL OVERALL
HEAD DIAMETER0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
HEAD HEIGHT0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
HEAD STYLEROUND
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH55000 POUNDS PER SQUARE INCH
NECK LENGTH0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
NECK WIDTH0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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