Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-395-7273 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: 4020647, 5306-00-395-7273, 00-395-7273, 5306003957273, 003957273

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 12 APR 1974 00-395-7273

Drawings & Photos | NSN 5306-00-395-7273


Demand History | NSN 5306-00-395-7273

Part Number Request Date QTY Origin
4020647 2018-05-121 19 United States
5306-00-395-7273 2018-05-121 19 MANUAL

Cross Reference | NSN 5306-00-395-7273

Part Number Cage Code Manufacturer
4020647 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
4020647 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
4020647 93907 TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS

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Technical Data | NSN 5306-00-395-7273

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.215 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
FASTENER LENGTH 0.961 INCHES MINIMUM AND 0.981 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.250 INCHES NOMINAL
EXTENDED WASHER DIAMETER 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.040 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 2
FIRST DIAMETER FROM HEAD 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM
SECOND DIAMETER FROM HEAD 0.142 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.556 INCHES MINIMUM AND 0.576 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER 0.706 INCHES MINIMUM AND 0.746 INCHES MAXIMUM
MANUFACTURERS CODE 93907
DESIGN CONTROL REFERENCE 4020647

Restrictions/Controls & Freight Information | NSN 5306-00-395-7273

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