Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-866-7275 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: 5306-00-866-7275, 00-866-7275, 5306008667275, 008667275

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-866-7275

Drawings & Photos | NSN 5306-00-866-7275


Cross Reference | NSN 5306-00-866-7275

Part Number Cage Code Manufacturer
395648P15 00088 ROYAL OAK GAGE INC
395648P15 93907 TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
395648P18 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
471211 98524 MONOGRAM AEROSPACE FASTENERS, INC.
471211P15 00088 ROYAL OAK GAGE INC
471211P15 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
471211P15 93907 TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS

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Technical Data | NSN 5306-00-866-7275

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 1A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.540 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
FASTENER LENGTH 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.220 INCHES MINIMUM AND 0.242 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.451 INCHES MINIMUM AND 0.452 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 0.452 INCHES MINIMUM AND 0.532 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5306-00-866-7275

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
Category Code Description
No Freight Information