5305-01-131-5030 SCREW,ASSEMBLED WASHER Index 5305-01-131-5032 SCREW,SHOULDER

National Stock Number:
5305-01-131-5031

Federal Supply Class:
5305

National Item Identification Number:
011315031

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-80844580063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.400 INCHES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM YIELD STRENGTH125000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH175000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.112 INCHES
WIDTH ACROSS FLATS0.094 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.400 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH40


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