5306-01-355-0984 BOLT,SHEAR Index 5310-01-355-0986 NUT,PLAIN,HEXAGON

National Stock Number:
5305-01-355-0985

Federal Supply Class:
5305

National Item Identification Number:
013550985

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:
CA21274-4-4HS29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH1.112 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES MINIMUM
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5673 ASSN STD SINGLE MATERIAL RESPONSE SPRINGAMS5643 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIALSTEEL COMP 631 SPRINGSTEEL COMP 630 FASTENER
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESFURNISHED WITH WIRE FORM SPRING HOLD OUT
WIDTH ACROSS FLATS0.1409 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.682 INCHES MINIMUM AND 0.821 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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