Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-217-5989 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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Part Alternates: BE 1218-4-12, BE1218412, 5306-01-217-5989, 01-217-5989, 5306012175989, 012175989

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 28 SEP 1985 01-217-5989

Cross Reference | NSN 5306-01-217-5989

Part Number Cage Code Manufacturer
BE 1218-4-12 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION

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Technical Data | NSN 5306-01-217-5989

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES NOMINAL
FASTENER LENGTH 1.485 INCHES MINIMUM AND
MATERIAL NICKEL ALLOY 718 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT 0.330 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER 0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS 0.060 INCHES MINIMUM AND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.218 INCHES MINIMUM AND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.690 INCHES MINIMUM AND

Restrictions/Controls & Freight Information | NSN 5306-01-217-5989

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information