5305-00-435-8993 SCREW,CLOSE TOLERANCE Index 4930-00-435-8998 HYDRANT REFUELING SYSTEM,AIR TRA

National Stock Number:
5306-00-435-8994

Federal Supply Class:
5306

National Item Identification Number:
004358994

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:
AN17-36A81352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH3.984 INCHES MINIMUM AND
4.031 INCHES MAXIMUM
MATERIALSTEEL COMP 4140 OR
STEEL COMP 8740 OR
STEEL COMP 8735 OR
STEEL COMP 4130 OVERALL
THREAD LENGTH1.343 INCHES MINIMUM AND
1.422 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3A
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.515 INCHES MINIMUM AND
0.547 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.428 INCHES MINIMUM AND
1.441 INCHES MAXIMUM
GRIP LENGTH2.609 INCHES MINIMUM AND
2.641 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81352
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN17-36A


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