Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-00-208-1620 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: BL722939, 7609318, 5306-00-208-1620, 00-208-1620, 5306002081620, 002081620

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 00-208-1620

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Technical Data | NSN 5306-00-208-1620

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES MINIMUM
FASTENER LENGTH 2.188 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ENAMEL OVERALL
HEAD HEIGHT 0.625 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.750 INCHES NOMINAL
EXTENDED WASHER THICKNESS 0.125 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 3
FIRST DIAMETER FROM HEAD 0.266 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 1.188 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5306-00-208-1620

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