4920-00-842-2511 FIXTURE,AIRCRAFT MAINTENANCE Index 4920-00-842-2517 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
5306-00-842-2512

Federal Supply Class:
5306

National Item Identification Number:
008422512

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:
8932668-102769LOCKHEED MARTIN CORPORATION
8932668-149671LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES


Techincal Specification:
FASTENER LENGTH2.000 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
HEAD HEIGHT0.211 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH1.750 INCHES MINIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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