5305-00-143-3453, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-143-3453

Federal Supply Class:
5305

National Item Identification Number:
001433453

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:

577R005H34	5N116	QUALITY SOCKET SCREW MANUFACTURING CORP
577R005H34	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION
D791515-34	0HDW7	HUCK INTERNATIONAL, INC.
D791515-34	97928	HUCK INTL INC
FTC7279-H34	58794	FASTENER TECHNOLOGY CORP
P81-1032-4	04729	UNICORP.
P81-1032-4	73197	HI-SHEAR CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.430 INCHES MINIMUM AND 0.455 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
HEAD DIAMETER	0.275 INCHES NOMINAL
HEAD HEIGHT	0.075 INCHES NOMINAL
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2 CL3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD LENGTH	0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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