5305-00-150-3403, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-150-3403

Federal Supply Class:
5305

National Item Identification Number:
001503403

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:

421R150H01	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION
682-1028-21	86360	GE AVIATION SYSTEMS LLC DBA GE AVIATION DIV INFORMATION SYSTEMS - GERMANTOWN

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.780 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.656 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.122 INCHES MINIMUM AND 0.124 INCHES MAXIMUM
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.120 INCHES NOMINAL
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH	201000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS	0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.734 INCHES MINIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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