5905-01-139-6056 RESISTOR,FIXED,WIRE WOUND,INDUCT Index 5305-01-139-6058 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-139-6057

Federal Supply Class:
5306

National Item Identification Number:
011396057

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:
1227045919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
FASTENER LENGTH1.688 INCHES MINIMUM AND 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM1.750 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEADFINISHED HEAD
GRIP LENGTH0.250 INCHES NOMINAL0.250 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM0.403 INCHES MAXIMUM
HEAD STYLEHEXAGONHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALLASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OR STEEL COMP 4140 OR STEEL COMP 8640 OVERALLSTEEL COMP 8640 OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES0.625 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-P-16232 TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALLPHOSPHATE OVERALL
THREAD CLASS2A2A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD LENGTH1.440 INCHES MINIMUM AND 1.440 INCHES MINIMUM AND 1.560 INCHES MAXIMUM1.560 INCHES MAXIMUM
THREAD QUANTITY PER INCH1111
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.923 INCHES MINIMUM AND 0.923 INCHES MINIMUM AND 0.938 INCHES MAXIMUM0.938 INCHES MAXIMUM


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