5305-00-404-6466, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-404-6466

Federal Supply Class:
5305

National Item Identification Number:
004046466

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:

3269917

82577

RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.108 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.090 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	4
FASTENER LENGTH	0.468 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
HEAD DIAMETER	0.265 INCHES NOMINAL
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643,COMP 17-4PH,COND H925 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SECOND DIAMETER FROM HEAD	0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	H+4-169,FSCM 82577 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THIRD DIAMETER FROM HEAD	0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
THREAD LENGTH	0.222 INCHES MINIMUM AND 0.298 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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