5360-01-282-9979 SPRING,HELICAL,COMPRESSION Index 5306-01-282-9981 BOLT,SHEAR

National Stock Number:
5305-01-282-9980

Federal Supply Class:
5305

National Item Identification Number:
012829980

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
FF-S-21081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51955-11096906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SURFACE TREATMENT
FASTENER LENGTH2.320 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.544 INCHES MINIMUM AND 0.582 INCHES MAXIMUM
HEAD STYLESQUARE
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4 STYLE
PART NAME ASSIGNED BY CONTROLLING AGENCYSETSCREW
POINT STYLECUP
WIDTH BETWEEN FLATS0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH2.120 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH10
THREAD SERIES DESIGNATORUNC


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