5305-00-828-4592 SCREW,CAP,SOCKET HEAD Index 5310-00-828-4601 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5305-00-828-4595

Federal Supply Class:
5305

National Item Identification Number:
008284595

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:
9976010-418876U S ARMY AVIATION AND MISSILE COMMAND
FFS8681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.312 INCHES MINIMUM
FASTENER LENGTH2.625 INCHES NOMINAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCHROMATE ZINC OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.265 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
HEAD HEIGHT0.160 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND
0.127 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFS86


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