2520-01-473-6570 PISTON,CLUTCH SHAFT ASSEMBLY Index 3040-01-473-6572 DISC,BRAKE

National Stock Number:
5306-01-473-6571

Federal Supply Class:
5306

National Item Identification Number:
014736571

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:
13495121-118876U S ARMY AVIATION AND MISSILE COMMAND
13588720-118876U S ARMY AVIATION AND MISSILE COMMAND
MIS-PRF-5301618876U S ARMY AVIATION AND MISSILE COMMAND
13588720-132865DRS NETWORK & IMAGING SYSTEMS LLC
13588720-158794FASTENER TECHNOLOGY CORP
13588720-196214RAYTHEON COMPANY


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.625 INCHES NOMINAL
THREAD LENGTH0.250 INCHES NOMINAL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC 1ST TREATMENT RESPONSE AND
MIL-L-46010,TYPEII MIL SPEC 2ND TREATMENT RESPONSE OVERALL
HEAD HEIGHT0.078 INCHES MINIMUM AND
0.095 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.242 INCHES MINIMUM AND
0.251 INCHES MAXIMUM


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