5305-01-224-1736, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-224-1736

Federal Supply Class:
5305

National Item Identification Number:
012241736

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:

4218M07F09

04729

UNICORP.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.062 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER	0.500 INCHES NOMINAL
HEAD HEIGHT	0.223 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
POINT CHAMFER ANGLE	55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
POINT DIAMETER	0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
POINT LENGTH	0.125 INCHES NOMINAL
POINT STYLE	CONE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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