5305-00-334-9817, SCREW,EXTERNALLY RELIEVED BODY

5305-00-334-9819 SCREW,ADJUSTING,EMERGENCY

National Stock Number:
5305-00-334-9817

Federal Supply Class:
5305

National Item Identification Number:
003349817

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:

91676

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

CHAMFER ANGLE	45.0 DEGREES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	1.564 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.120 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SIXTH DIAMETER	2.325 INCHES MINIMUM AND 2.335 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.880 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.470 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.700 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	6
FASTENER LENGTH	2.325 INCHES MINIMUM AND 2.335 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.258 INCHES MINIMUM AND 0.262 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.326 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.3685 INCHES MINIMUM AND 0.3695 INCHES MAXIMUM
HEAD DIAMETER	0.540 INCHES NOMINAL
HEAD HEIGHT	0.180 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.4375 INCHES
SECOND DIAMETER FROM HEAD	0.4375 INCHES NOMINAL
SIXTH DIAMETER FROM HEAD	0.3685 INCHES MINIMUM AND 0.3695 INCHES MAXIMUM
SPECIAL FEATURES	END HAS 0.094 IN. SPHERICAL RADIUS POINT,60.0 DEG ANGLE 0.275 IN. LG
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.326 INCHES MINIMUM AND 0.336 INCHES MAXIMUM
THREAD LENGTH	0.580 INCHES NOMINAL
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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