5305-01-392-0587, SCREW,EXTERNALLY RELIEVED BODY

4920-01-392-0586 REPAIR KIT,AIRCRAFT,MAINTENANCE

National Stock Number:
5305-01-392-0587

Federal Supply Class:
5305

National Item Identification Number:
013920587

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:

2121442-001

12436

BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.750 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.750 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
HEAD HEIGHT	0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 316 OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
SPECIAL FEATURES	ALTERED ITEM, MAKE FROM MS35307-365
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.000 INCHES NOMINAL
THREAD QUANTITY PER INCH	16
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS	0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM

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