5305-00-415-2158, SCREW,EXTERNALLY RELIEVED BODY

5305-00-415-2159 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-415-2158

Federal Supply Class:
5305

National Item Identification Number:
004152158

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:

207MS016APT32	3B150	RAYTHEON COMPANY
207MS016APT32	49956	RAYTHEON COMPANY
9176223-4	18876	U S ARMY AVIATION AND MISSILE COMMAND
207MS016APT32	54X10	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.893 INCHES MINIMUM AND 0.925 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
HEAD DIAMETER	0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
HEAD HEIGHT	0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIAL FEATURES	CONE POINT 90 DEG ANGLE,0.082 IN. LG
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.286 INCHES MINIMUM AND 0.338 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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