5305-00-189-9337, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-189-9337

Federal Supply Class:
5305

National Item Identification Number:
001899337

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:

6200SS2520-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6200SS2520-7	1YGB8	CAREY MANUFACTURING CO, INC
S027-9	00328	DESIGNATRONICS INCORPORATED
YA1587-1095P1	3B150	RAYTHEON COMPANY
YA1587-1095P1	49956	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.062 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	1.000 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD DIAMETER	0.750 INCHES NOMINAL
HEAD HEIGHT	0.375 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 2
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SECOND DIAMETER FROM HEAD	0.159 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
SPECIAL FEATURES	CONE POINT,60.0 DEGREE ANGLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.375 INCHES MINIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNC

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