5305-01-273-2270 SCREW,CAP,SOCKET HEAD Index 5306-01-273-2272 BOLT,SHEAR

National Stock Number:
5305-01-273-2271

Federal Supply Class:
5305

National Item Identification Number:
012732271

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:
C9747-3-9-1181755LOCKHEED MARTIN CORPORATION
CA21241C-10-9-1129372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.407 INCHES MINIMUM AND
0.688 INCHES MAXIMUM
FASTENER LENGTH0.678 INCHES MINIMUM AND
0.698 INCHES MAXIMUM
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OR
STEEL COMP 302B OR
STEEL COMP 303 OR
STEEL COMP 303SE OR
STEEL COMP 304 OR
STEEL COMP 304L OR
STEEL COMP 305 OR
STEEL COMP 308 OR
STEEL COMP 309 OR
STEEL COMP 309S OR
STEEL COMP 310 OR
STEEL COMP 310S OR
STEEL COMP 314 OR
STEEL COMP 316 OR
STEEL COMP 316L OR
STEEL COMP 317 OR
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 348 OR
STEEL COMP 384 OR
STEEL COMP 385 OVERALL
SURFACE TREATMENTCHROMATE AND
CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.105 INCHES MINIMUM AND
0.120 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND
0.314 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.1875 INCHES MINIMUM AND
0.1895 INCHES MAXIMUM
POINT STYLECHAMFER DOG
POINT LENGTH0.100 INCHES MAXIMUM
POINT DIAMETER0.142 INCHES MINIMUM AND
0.147 INCHES MAXIMUM
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
SPECIAL FEATURES2 EXTERNAL SLOTS 0.044 IN. MIN 0.054 IN. MAX DIA


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