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National Stock Number:
5306-99-738-9905
Federal Supply Class:
5306
National Item Identification Number:
997389905
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.
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Manufacturer Information:
| BLT5035 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.551 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | FASTENER LENGTH | 1.752 INCHES NOMINAL AND 1.742 INCHES MINIMUM AND 1.762 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 1.191 MILLIMETERS MINIMUM AND 1.211 MILLIMETERS MAXIMUM | | HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | BS HR650 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | 0.2435/0.2480 IN. THD DIAL;DW THD | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE FINISH | 125.0 MICROINCHES SIDES OF HEAD | | SURFACE FINISH | 125.0 MICROINCHES TOP OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
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