5305-00-357-9830, SCREW,EXTERNALLY RELIEVED BODY

5305-00-357-9829 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-357-9830

Federal Supply Class:
5305

National Item Identification Number:
003579830

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:

8004857-1

31550

L3HARRIS TECHNOLOGIES, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.840 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.118 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
HEAD HEIGHT	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1018 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
WIDTH BETWEEN FLATS	0.250 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.320 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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