5305-00-851-4147, SCREW,EXTERNALLY RELIEVED BODY

5961-00-851-4145 SEMICONDUCTOR DEVICE,DIODE

National Stock Number:
5305-00-851-4147

Federal Supply Class:
5305

National Item Identification Number:
008514147

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:

2815033-1	18355	THE BOEING COMPANY
2815033-1	88277	THE BOEING COMPANY
4-40NC-3A X 13/16 STL CAD PLD	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-S-92B	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
7906283-01	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.547 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.618 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.812 INCHES MINIMUM
FIRST DIAMETER FROM HEAD	0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
HEAD DIAMETER	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD HEIGHT	0.105 INCHES NOMINAL
HEAD STYLE	BINDING
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.112 INCHES
NONDEFINITIVE SPEC/STD DATA	I TYPE AND 8S STYLE
SECOND DIAMETER FROM HEAD	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	81348-FF-S-92 GOVERNMENT SPECIFICATION
SPECIAL FEATURES	SCREW, EXTERNALLY RELIEVED BODY, STEEL, CAD PLD, SAE-AMS-S-6758 MATL, 4-40 NC 3A X 13/16, 0.240-0.260 IN. DIA OF HEAD, 0.105 IN. HEIGHT OF HEAD; 0.194 IN. THD LG; 0.138-0.142 IN. FIRST DIA FRM HEAD; 0.070-080IN. SECOND DIA FROM HEAD; 0.547 IN. FROM HEAD TO END OF FIRST DIA; 0.618 IN. FROM HD TO END OF SECOND DIA.; SPEC APPLIES EXCEPT AS INDICATED
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.812 INCHES MINIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

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