5305-00-231-8827, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-231-8827

Federal Supply Class:
5305

National Item Identification Number:
002318827

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:

1929046-1	19315	HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
1929046-1	55972	HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.267 INCHES MINIMUM AND 0.297 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD DIAMETER	0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM
HEAD HEIGHT	0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL COMP 303SE OR STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SECOND DIAMETER FROM HEAD	0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
THREAD CLASS	3A
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	40

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