5306-00-941-3772 BOLT,EXTERNALLY RELIEVED BODY Index 5340-00-941-3774 CLAMP,LOOP

National Stock Number:
5306-00-941-3773

Federal Supply Class:
5306

National Item Identification Number:
009413773

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:
5188300EEG3VALCO CO GOVERNMENT SALES OFFICE
51883033851VALCO MFG AND ENGINEERING CO
5188305T572NORTH BRIDGE FASTENERS DIV OF NORTH BRIDGE LTD
51883077445RTX CORPORATION
5188308M938PRO/DES INC PRODUCTS DESIGN DIV
51883092215HOWMET GLOBAL FASTENING SYSTEMS INC
55344377445RTX CORPORATION
51883093907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
518830U6683LINREAD LTD DBA LINREAD NORTHBRIDGE


Techincal Specification:
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.448 INCHES MAXIMUM
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
FEATURES PROVIDEDUNFINISHED HEAD
GRIP LENGTH0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH BETWEEN FLATS0.348 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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