5306-01-157-8361 BOLT,EXTERNALLY RELIEVED BODY Index 5306-01-157-8363 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-157-8362

Federal Supply Class:
5306

National Item Identification Number:
011578362

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
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.


Manufacturer Information:
B498824K0378ROLLS-ROYCE PLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.010 INCHES MINIMUM AND 1.050 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH3.110 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
HEAD DIAMETER0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATIONDTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.437 INCHES
SECOND DIAMETER FROM HEAD0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
SPECIAL FEATURESBOTH DIA ROUNDED WITH RADIUS OF 0.250 IN. ON EACH END
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.050 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH20


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us