5310-00-680-5637 NUT,SELF-LOCKING,CAP Index 5305-00-680-5639 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-680-5638

Federal Supply Class:
5305

National Item Identification Number:
006805638

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:
R449P17UL07482GENERAL ELECTRIC COMPANY


Techincal Specification:
FASTENER LENGTH1.300 INCHES MINIMUM AND 1.320 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HEAD HEIGHT0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY6
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.758 INCHES MINIMUM AND 0.798 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28


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