5306-01-285-8884, BOLT,SHEAR

National Stock Number:
5306-01-285-8884

Federal Supply Class:
5306

National Item Identification Number:
012858884

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:

300-337154	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG
300-337154	89372	ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM FIRST HOLE
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.623 INCHES MINIMUM AND 0.653 INCHES MAXIMUM SECOND HOLE
FASTENER LENGTH	0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM
GRIP LENGTH	0.438 INCHES NOMINAL
GRIP DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
HEAD HEIGHT	0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000,COND. C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM SECOND HOLE
SHANK UNTHREADED HOLE DIAMETER	0.082 INCHES NOMINAL FIRST HOLE
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD LENGTH	0.301 INCHES MINIMUM AND 0.331 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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