5305-00-145-0651, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-145-0651

Federal Supply Class:
5305

National Item Identification Number:
001450651

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:

419R148H01

97942

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.450 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.020 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.750 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD HEIGHT	0.080 INCHES NOMINAL
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 304 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SECOND DIAMETER FROM HEAD	0.100 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.300 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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