5305-00-855-3104, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-855-3104

Federal Supply Class:
5305

National Item Identification Number:
008553104

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:

519632

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.094 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.119 INCHES MINIMUM AND 0.129 INCHES MAXIMUM
HEAD DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD HEIGHT	0.137 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.031 INCHES NOMINAL
HOLE QUANTITY	1
HOLE TYPE	DRILLED
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 416F OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.246 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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