Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-116-6667 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: 13206E1066, 5306-00-116-6667, 00-116-6667, 5306001166667, 001166667

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 02 OCT 1968 00-116-6667

Drawings & Photos | NSN 5306-00-116-6667


Cross Reference | NSN 5306-00-116-6667

Part Number Cage Code Manufacturer
13206E1066 97403 CECOM LR CENTER

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Technical Data | NSN 5306-00-116-6667

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.469 INCHES MINIMUM
FASTENER LENGTH 1.570 INCHES MINIMUM AND 1.610 INCHES MAXIMUM
MATERIAL STEEL COMP 8640 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE J404 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT OXIDE OVERALL
HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.213 INCHES MINIMUM AND 0.216 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 1.121 INCHES NOMINAL
III ASKEWED HEAD ANGLE 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5306-00-116-6667

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