4940-00-127-7977 HEATER,BOLT,ELECTRIC Index 5305-00-127-7979 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-127-7978

Federal Supply Class:
5305

National Item Identification Number:
001277978

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:
9251103050019315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
9251103050055972HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS
9251103050096774HONEYWELL INTERNATIONAL INC.


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD DIAMETER0.193 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESIX SPLINE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER0.099 INCHES
SPLINE MAJOR DIAMETER0.073 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
SPLINE MINOR DIAMETER0.064 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.181 INCHES MINIMUM
THREAD QUANTITY PER INCH48
THREAD SERIES DESIGNATORUNC


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