5305-00-229-0418, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-229-0418

Federal Supply Class:
5305

National Item Identification Number:
002290418

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:

36061

06650

BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.090 INCHES NOMINAL
HEAD HEIGHT	0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
HEAD DIAMETER	0.342 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	10-1-524-402 FSCM 06650 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.125 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	247 TYPE 1 FSCM 06650 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD LENGTH	0.121 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	40

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