5306-00-291-1121 BOLT,SHOULDER Index 5306-00-291-1123 BOLT,MACHINE

National Stock Number:
5306-00-291-1122

Federal Supply Class:
5306

National Item Identification Number:
002911122

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:
2110980A0B7MAINSTREAM ENGINEERING CORP
21109852661RTX CORPORATION
21109877445RTX CORPORATION
21109892215HOWMET GLOBAL FASTENING SYSTEMS INC
21109893907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS


Techincal Specification:
CRITICALITY CODE JUSTIFICATIONAGAV
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.070 INCHES NOMINAL
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
PRECIOUS MATERIALSILVER
SURFACE TREATMENTSILVER THREADS
THREAD CLASS1A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.362 INCHES MINIMUM AND 0.377 INCHES MAXIMUM


Click here to Register for Free 30-day Trial

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