5306-01-144-3880 BOLT,MACHINE Index 5305-01-144-3883 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-144-3881

Federal Supply Class:
5306

National Item Identification Number:
011443881

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
5904105-599167HAMILTON SUNDSTRAND CORPORATION
722284-399167HAMILTON SUNDSTRAND CORPORATION
J814P098A92215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM0.070 INCHES MAXIMUM
FASTENER LENGTH2.580 INCHES NOMINAL2.580 INCHES NOMINAL
GRIP LENGTH1.620 INCHES MINIMUM AND 1.620 INCHES MINIMUM AND 1.680 INCHES MAXIMUM1.680 INCHES MAXIMUM
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM HEAD35.0 ROCKWELL C MAXIMUM HEAD
HEAD HEIGHT0.330 INCHES NOMINAL0.330 INCHES NOMINAL
HEAD STYLEDOUBLE HEXAGON W/HOLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONINCONEL718,AMS5662,FSCM 99167 MFR REF SINGLE MATERIAL RESPONSE OVERALLINCONEL718,AMS5662,FSCM 99167 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL OVERALL
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH85000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES0.250 INCHES
WIDTH BETWEEN FLATS0.304 INCHES MINIMUM AND 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM0.313 INCHES MAXIMUM
THREAD CLASS3A3A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD LENGTH0.570 INCHES MINIMUM AND 0.570 INCHES MINIMUM AND 0.630 INCHES MAXIMUM0.630 INCHES MAXIMUM
THREAD QUANTITY PER INCH2828
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us