NSN 5306-01-315-4889

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-315-4889 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.

Alternate Parts: ST252009, ST2520-09, 5306-01-315-4889, 01-315-4889, 5306013154889, 013154889

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 16, 199001-315-488906675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-315-4889
Part Number Cage Code Manufacturer
ST2520-0977445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-01-315-4889
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.820 INCHES MINIMUM AND 0.923 INCHES MAXIMUM
FASTENER LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM
HEAD STYLE0 HEXAGON
HEAD HEIGHT0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.4375 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.343 INCHES MINIMUM AND 0.353 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.025 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
SPECIAL FEATURESSURFACE ON GRIP AND BEARING SURFACE OF HEAD 32 MICRINCHES; THREADS AND WASHER FACE COATED PWA 550-3 AGEC 77445