5305-00-680-5638 SCREW,CAP,SOCKET HEAD Index 5310-00-680-5641 NUT,PLAIN,HEXAGON

National Stock Number:
5305-00-680-5639

Federal Supply Class:
5305

National Item Identification Number:
006805639

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:
416B472P607482GENERAL ELECTRIC COMPANY
416B472P624446GENERAL ELECTRIC COMPANY


Techincal Specification:
FASTENER LENGTH1.360 INCHES MINIMUM AND 1.380 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
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY6
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE FINISH125.0 MICROINCHES THREADS
SURFACE FINISH125.0 MICROINCHES TOP OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES OVERALL
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM


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