5305-00-727-0503, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-727-0503

Federal Supply Class:
5305

National Item Identification Number:
007270503

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:

8060002642

57057

NAVCOM DEFENSE ELECTRONICS, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.214 INCHES MINIMUM AND 1.224 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	1.902 INCHES MINIMUM AND 1.912 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.119 INCHES MINIMUM AND 1.159 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.516 INCHES MINIMUM AND 2.546 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
HEAD DIAMETER	0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD HEIGHT	0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES
SECOND DIAMETER FROM HEAD	0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THIRD DIAMETER FROM HEAD	0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A
THREAD LENGTH	0.624 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	32

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