5305-01-051-0619, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-051-0619

Federal Supply Class:
5305

National Item Identification Number:
010510619

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:

546-0999-005

13499

ROCKWELL COLLINS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.078 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
HEAD HEIGHT	0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SPECIAL FEATURES	COLOR GRAY ENAMEL 580-0564-012 13499
SURFACE TREATMENT	PAINT TOP OF HEAD
THREAD LENGTH	0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	40

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