5306-01-418-5751, BOLT,SHEAR

National Stock Number:
5306-01-418-5751

Federal Supply Class:
5306

National Item Identification Number:
014185751

Description:
BOLT,SHEAR

Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.

Manufacturer Information:

S4928913-3-8	06725	SPS TECHNOLOGIES, LLC
S4928913-3-8	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
S4928913-3-8	17446	HUCK INTERNATIONAL, INC
S4928913-3-8	1EM77	B & B SPECIALTIES INC
S4928913-3-8	27624	SPS TECHNOLOGIES LLC
S4928913-3-8	50945	MERCURY AEROSPACE FASTENERS INC
S4928913-3-8	56878	SPS TECHNOLOGIES, LLC
S4928913-3-8	58845	ABOUNDING SECURITY INC DIV OF MAA CORP
S4928913-3-8	88277	THE BOEING COMPANY
S4928913-3-8	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
S4928913-3-8	97928	HUCK INTL INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.276 INCHES NOMINAL
FASTENER LENGTH	0.761 INCHES MINIMUM AND
	0.791 INCHES MAXIMUM
MATERIAL	STEEL COMP 4340 OR
	STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR
	MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR
	AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
	CHROMIUM BEARING SURFACE OF HEAD
	CHROMIUM GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
	QQ-C-320 CL2 TY1 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
	QQ-C-320 CL2 TY1 FED SPEC SINGLE TREATMENT RESPONSE GRIP
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
SINGLE SHEAR STRENGTH	95000 POUNDS PER SQUARE INCH
HEAD STYLE	DISHED HEXAGON
HEAD HEIGHT	0.110 INCHES MINIMUM AND
	0.125 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND
	0.376 INCHES MAXIMUM
GRIP LENGTH	0.490 INCHES MINIMUM AND
	0.510 INCHES MAXIMUM
GRIP DIAMETER	0.1885 INCHES MINIMUM AND
	0.1894 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.659 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES MINIMUM AND
	0.080 INCHES MAXIMUM FIRST HOLE

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