5305-01-259-4055, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-259-4055

Federal Supply Class:
5305

National Item Identification Number:
012594055

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:

6100-SS-0632	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6100-SS-0632	1YGB8	CAREY MANUFACTURING CO, INC
6100SS0632-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6100SS0632-7	1YGB8	CAREY MANUFACTURING CO, INC
ST810659-10	80249	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.069 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.375 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HEAD DIAMETER	0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
HEAD HEIGHT	0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL COMP 203EZ OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 416 OR STEEL COMP 416 PLUS X OR STEEL COMP 416SE OR STEEL COMP 430F OR STEEL COMP 430FSE OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
POINT CHAMFER ANGLE	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
POINT DIAMETER	0.079 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
POINT LENGTH	0.094 INCHES NOMINAL
POINT STYLE	CONE
SPECIAL FEATURES	STRAIGHT KNURL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD LENGTH	0.202 INCHES MINIMUM AND 0.212 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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