5306-01-341-8540, BOLT,SHEAR

National Stock Number:
5306-01-341-8540

Federal Supply Class:
5306

National Item Identification Number:
013418540

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:

84359C-8-D28	56878	SPS TECHNOLOGIES, LLC
EWSB926-8-28	56878	SPS TECHNOLOGIES, LLC
GB511A8-28A	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
GB511GE8D28P	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
PBF1477-8-D28P	27624	SPS TECHNOLOGIES LLC
VS2106C8S28	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.184 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	2.412 INCHES MINIMUM AND 2.459 INCHES MAXIMUM
GRIP DIAMETER	0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
GRIP LENGTH	1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM
HEAD HEIGHT	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
HEAD MINOR DIAMETER	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COBALT COMP MP-35-N OVERALL
MINIMUM TENSILE STRENGTH	145000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.101 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	20

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