5306-00-886-1431, BOLT,MACHINE

National Stock Number:
5306-00-886-1431

Federal Supply Class:
5306

National Item Identification Number:
008861431

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:

114L1027-1	06710	VALLEY-TODECO, INC.
114L1027-1	77272	THE BOEING COMPANY
114L1027-1	81205	THE BOEING COMPANY

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.570 INCHES MINIMUM AND 3.590 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	3.740 INCHES MINIMUM AND 3.760 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	3.320 INCHES MINIMUM AND 3.360 INCHES MAXIMUM
HEAD DIAMETER	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
HEAD HEIGHT	0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	240000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.562 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST HOLE
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	50.0 MICROINCHES HEAD
SURFACE FINISH	50.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-26074 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.860 INCHES MINIMUM AND 0.880 INCHES MAXIMUM

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