5305-01-047-6241 SCREW,CAP,SOCKET HEAD Index 5305-01-047-6243 SCREW,DRIVE

National Stock Number:
5305-01-047-6242

Federal Supply Class:
5305

National Item Identification Number:
010476242

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:
AN565D820H2881352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
FF-S-20081348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.724 INCHES MINIMUM AND
1.776 INCHES MAXIMUM
FASTENER LENGTH1.724 INCHES MINIMUM AND
1.776 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND
53.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES MINIMUM AND
0.252 INCHES MAXIMUM
POINT STYLECUP
NONDEFINITIVE SPEC/STD DATA1 TYPE AND
4 STYLE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN565D820H28
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-200


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