5305-00-177-5282 SCREW,MACHINE Index 5305-00-177-5284 SCREW,MACHINE

National Stock Number:
5305-00-177-5283

Federal Supply Class:
5305

National Item Identification Number:
001775283

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:
SS5013-10LP1978286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.190 INCHES MINIMUM AND
0.220 INCHES MAXIMUM
FASTENER LENGTH0.220 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
MATERIALSTEEL COMP 8630 OR
STEEL COMP 4037 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
44.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLEROUND EXTENDED WASHER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
HEAD HEIGHT0.089 INCHES MINIMUM AND
0.099 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.427 INCHES MINIMUM AND
0.447 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.025 INCHES MINIMUM AND
0.030 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATURESTRIP THREADS
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCESS5013-10LP19


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