5305-00-847-0784, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-847-0784

Federal Supply Class:
5305

National Item Identification Number:
008470784

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:

5305008470784	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
804032	80045	L3HARRIS CINCINNATI ELECTRONICS CORPORATION
SMC413531-13	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.122 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
HEAD DIAMETER	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT	0.065 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD STYLE	PAN NO. 2
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A545 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A546 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A549 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.156 INCHES MINIMUM
THREAD CLASS	2A
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNC

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