5305-01-140-3050, SCREW,EXTERNALLY RELIEVED BODY

5305-01-140-3049 SCREW,EXTERNALLY RELIEVED BODY

5305-01-140-3051 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-140-3050

Federal Supply Class:
5305

National Item Identification Number:
011403050

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:

2801285-1

55972

HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS

Techincal Specification:

ASKEWED HEAD ANGLE	90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.350 INCHES NOMINAL0.350 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	11
FASTENER LENGTH	0.600 INCHES NOMINAL0.600 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.095 INCHES NOMINAL0.095 INCHES NOMINAL
HEAD DIAMETER	0.256 INCHES MINIMUM AND 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM0.270 INCHES MAXIMUM
HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM0.097 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFERFLAT CHAMFER
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1CROSS RECESS TYPE 1
MATERIAL	STEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES0.138 INCHES
THREAD CLASS	2A2A
THREAD DIRECTION	RIGHT-HANDRIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH	3232
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)

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