5305-00-246-6400, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-246-6400

Federal Supply Class:
5305

National Item Identification Number:
002466400

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:

69-4574

02024

PHOTO-SONICS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.391 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.297 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.329 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.266 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	0.562 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.136 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.093 INCHES NOMINAL
HEAD DIAMETER	0.312 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SECOND DIAMETER FROM HEAD	0.105 INCHES MINIMUM AND 0.111 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD	0.136 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
THREAD LENGTH	0.171 INCHES MINIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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