NSN 5306-01-298-1289

Part Details | EXTERNALLY RELIEVED BODY BOLT

5306-01-298-1289 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: ST142009, ST1420-09, ST142009, ST1420-09, ST142009, ST1420-09, ST142009, ST1420-09, ST142009, ST1420-09, 5306-01-298-1289, 01-298-1289, 5306012981289, 012981289

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 12, 198901-298-128906675 ( BOLT, EXTERNALLY RELIEVED BODY )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

Cross Reference | NSN 5306-01-298-1289
Part Number Cage Code Manufacturer
ST1420-0915653ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST1420-0992215ARCONIC GLOBAL FASTENERS & RINGS,INC.
ST1420-09U6683LINREAD LTDDBA LINREAD NORTHBRIDGE
ST1420-0956878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
ST1420-0977445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-01-298-1289
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.579 INCHES MINIMUM AND 0.673 INCHES MAXIMUM
FASTENER LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.099 INCHES MAXIMUM