5305-00-254-7533 SETSCREW Index 5305-00-254-7561 SETSCREW

National Stock Number:
5305-00-254-7552

Federal Supply Class:
5305

National Item Identification Number:
002547552

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-103TYPE1STYL381348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-201TYPE1STYL381348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FFS103TYPE1STYLE381348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH4.812 INCHES MINIMUM AND 5.000 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.908 INCHES MINIMUM AND 0.966 INCHES MAXIMUM
HEAD STYLESQUARE
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
LOCKING FEATURESTRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER1.250 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 STYLE
POINT STYLEOVAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH5.000 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH7
WIDTH BETWEEN FLATS1.219 INCHES MINIMUM AND 1.250 INCHES MAXIMUM


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