5305-01-243-9351 SCREW,CAP,SOCKET HEAD Index 5305-01-243-9353 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-243-9352

Federal Supply Class:
5305

National Item Identification Number:
012439352

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
SM-C-800983-5106725SPS TECHNOLOGIES, LLC
SM-C-800983-5156878SPS TECHNOLOGIES, LLC
SM-C-800983-5180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.413 INCHES MINIMUM AND
0.516 INCHES MAXIMUM
FASTENER LENGTH0.484 INCHES MINIMUM AND
0.516 INCHES MAXIMUM
MATERIALSTEEL COMP 1320 OR
STEEL COMP 1330 OR
STEEL COMP 3115 OR
STEEL COMP 4012 OR
STEEL COMP 4023 OR
STEEL COMP 4130 OR
STEEL COMP 4340 OR
STEEL COMP 4427 OR
STEEL COMP 8615 OR
STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEROUND
HEAD DIAMETER0.419 INCHES MINIMUM AND
0.437 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND
0.132 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.1562 INCHES MINIMUM AND
0.1582 INCHES MAXIMUM


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