5420-99-568-5432 ROLLER BEAM ASSEMBLY,BRIDGE Index 5330-99-568-5487 GASKET

National Stock Number:
5306-99-568-5486

Federal Supply Class:
5306

National Item Identification Number:
995685486

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:
BLT7083K0378ROLLS-ROYCE PLC


Techincal Specification:
FASTENER LENGTH17.00 MILLIMETERS NOMINAL AND 16.75 MILLIMETERS MINIMUM AND 17.25 MILLIMETERS MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.00 MILLIMETERS MINIMUM AND 2.50 MILLIMETERS MAXIMUM
HEAD HEIGHT3.71 MILLIMETERS MINIMUM AND 4.21 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONROLLS ROYCE LTD, MSRR 6542 MFR REF SINGLE MATERIAL RESPONSE
MATERIALSTEEL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH BETWEEN FLATS10.92 MILLIMETERS MINIMUM AND 11.15 MILLIMETERS MAXIMUM
SURFACE FINISH0.8 MICROMETERS THREADS
SURFACE FINISH0.8 MICROMETERS BEARING SURFACE OF HEAD
SURFACE FINISH0.8 MICROMETERS GRIP
SURFACE FINISH3.2 MICROMETERS TOP OF HEAD
SURFACE FINISH3.2 MICROMETERS SIDES OF HEAD
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH14.75 MILLIMETERS NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNJF


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