5305-01-022-8073 SCREW,CAP,SOCKET HEAD Index 5305-01-022-8078 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-022-8074

Federal Supply Class:
5305

National Item Identification Number:
010228074

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:
NKS24694S10404866ND INDUSTRIES INC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM AND
0.578 INCHES MAXIMUM
FASTENER LENGTH1.078 INCHES MINIMUM AND
1.125 INCHES MAXIMUM
MATERIALSTEEL COMP 8740 OR
STEEL COMP 8630 OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.447 INCHES MINIMUM AND
0.507 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET THREADS


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