5305-01-249-8617, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-249-8617

Federal Supply Class:
5305

National Item Identification Number:
012498617

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:

238446-011

81413

BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.395 INCHES NOMINAL
COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.335 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
HEAD DIAMETER	0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MS24693-C27 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH	725 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.138 INCHES
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32

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