5305-12-321-5503, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-12-321-5503

Federal Supply Class:
5305

National Item Identification Number:
123215503

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:

5500770271	0141B	NAVANTIA, S.A., S.M.E.
5500770271	409BB	NAVANTIA - PROPULSION Y ENERGIAMOTORES - CARTAGENA
5500770771	0141B	NAVANTIA, S.A., S.M.E.
5500770771	409BB	NAVANTIA - PROPULSION Y ENERGIAMOTORES - CARTAGENA
5500770271	D8266	MTU FRIEDRICHSHAFEN GMBH
5500770271	Y9992	NAVAL MATERIAL HEADQUARTERS RMN
5500770771	D8266	MTU FRIEDRICHSHAFEN GMBH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	15.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	127.0 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS	4 KLEIN G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	163.0 MILLIMETERS NOMINAL
FIRST DIAMETER FROM HEAD	22.0 MILLIMETERS NOMINAL
HEAD HEIGHT	20.0 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	DIN17200, BESCHAFFENHEIT 05 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
III PURCHASE DESCRIPTION IDENTIFICATION	D8266-5500770771
POINT DIAMETER	19.7 MILLIMETERS NOMINAL
POINT STYLE	FLAT
NOMINAL THREAD DIAMETER	22.0 MILLIMETERS
SECOND DIAMETER FROM HEAD	17.5 MILLIMETERS NOMINAL
SPECIAL FEATURES	TOP OF THE HEAD WITH NECK AND CENTERING
WIDTH BETWEEN FLATS	36.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MTV5006 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE MANGANESE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	36.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	ISO M
THREAD PITCH IN MILLIMETERS	1.5

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