5306-01-532-6284, BOLT,MACHINE

National Stock Number:
5306-01-532-6284

Federal Supply Class:
5306

National Item Identification Number:
015326284

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:

VCC0020	06710	VALLEY-TODECO, INC.
VCC0020-C-10-34	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
VCC0020-C10-34	06710	VALLEY-TODECO, INC.

Techincal Specification:

EXTENDED WASHER DIAMETER	1.04 INCHES MINIMUM AND 1.05 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
FASTENER LENGTH	2.978 INCHES MINIMUM AND 3.008 INCHES MAXIMUM
GRIP DIAMETER	0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
GRIP LENGTH	2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM
HEAD HEIGHT	0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT,TENSION,12 POINT ENTERNAL WRENCHING,220KSI MIN - 482DEG. C
MATERIAL DOCUMENT AND CLASSIFICATION	VMS 110 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	NICKEL ALLOY 718 OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.6250 INCHES
WIDTH BETWEEN FLATS	0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.868 INCHES NOMINAL
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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