5310-00-197-6275 NUT ASSEMBLY,SELF-LOCKING,GANG C Index 5306-00-197-6277 BOLT,MACHINE

National Stock Number:
5306-00-197-6276

Federal Supply Class:
5306

National Item Identification Number:
001976276

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:
NA16-72A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH7.484 INCHES MINIMUM AND
7.531 INCHES MAXIMUM
MATERIALSTEEL COMP 8740 OR
STEEL COMP 8630 OR
STEEL COMP 8735 OR
STEEL COMP 4140 OR
STEEL COMP 4130 OR
STEEL COMP 4037 OVERALL
THREAD LENGTH1.359 INCHES MINIMUM AND
1.422 INCHES MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER1.000 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR
MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR
MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR
MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR
MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR
AMS 6300 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 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 LENGTH6.109 INCHES MINIMUM AND
6.141 INCHES MAXIMUM
FEATURES PROVIDEDUNFINISHED HEAD
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCENA16-72A


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