5305-00-579-1012, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-579-1012

Federal Supply Class:
5305

National Item Identification Number:
005791012

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

11556

59875

EATON CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.455 INCHES MINIMUM
FASTENER LENGTH	0.640 INCHES NOMINAL
MATERIAL	STEEL COMP 1010 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR
	QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
HEAD STYLE	FILLISTER
HEAD DIAMETER	0.414 INCHES NOMINAL
HEAD HEIGHT	0.237 INCHES NOMINAL
INTERNAL DRIVE STYLE	SLOT
HOLE CONFIGURATION STYLE	ROUND LONGITUDINAL HOLE
HOLE TYPE	DRILLED
HOLE QUANTITY	1
HOLE DIAMETER	0.064 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.062 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.062 INCHES NOMINAL FIRST HOLE
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FIRST DIAMETER FROM HEAD	0.250 INCHES NOMINAL
SECOND DIAMETER FROM HEAD	0.158 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.455 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.640 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE	59875
DESIGN CONTROL REFERENCE	11556

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