Product Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-015-3921 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: 423447, 5306-01-015-3921, 01-015-3921, 5306010153921, 010153921

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01-015-3921

Drawings & Photos | NSN 5306-01-015-3921


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Technical Data | NSN 5306-01-015-3921

Characteristic Specifications
THREAD SERIES DESIGNATOR UNS
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.884 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
FASTENER LENGTH 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.378 INCHES MINIMUM AND 0.438 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5306-01-015-3921

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