5305-01-059-8670, SCREW,EXTERNALLY RELIEVED BODY

5305-01-059-8671 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-059-8670

Federal Supply Class:
5305

National Item Identification Number:
010598670

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:

623-1775-003

13499

ROCKWELL COLLINS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	3.700 INCHES MINIMUM AND 3.730 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.425 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	3.622 INCHES NOMINAL
FASTENER LENGTH	4.246 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
INTERNAL DRIVE STYLE	CROSS RECESS TYPE II
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 430 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SECOND DIAMETER FROM HEAD	0.159 INCHES MINIMUM AND 0.165 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT	ENAMEL TOP OF HEAD
SURFACE TREATMENT	PASSIVATE GRIP
THIRD DIAMETER FROM HEAD	0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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