5305-01-218-8276 SCREW,DRIVE Index 5306-01-218-8278 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-218-8277

Federal Supply Class:
5305

National Item Identification Number:
012188277

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:
090-6778294697MOOG INC
20097-91F356878SPS TECHNOLOGIES, LLC


Techincal Specification:
FASTENER LENGTH0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM OVERALL
HEAD DIAMETER0.112 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD HEIGHT0.0702 INCHES MINIMUM AND 0.0730 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP OR PATCH OR PELLET THREADS
MATERIALSTEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 309 OR STEEL COMP 304L OVERALL
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.073 INCHES
WIDTH ACROSS FLATS0.050 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONEP 244 FSCM 94697 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.144 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH72


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