5306-00-248-9725, BOLT,SHEAR

National Stock Number:
5306-00-248-9725

Federal Supply Class:
5306

National Item Identification Number:
002489725

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:

65351-11576-104

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

FASTENER LENGTH	5.387 INCHES MINIMUM AND 5.417 INCHES MAXIMUM
GRIP DIAMETER	0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
GRIP LENGTH	4.490 INCHES MINIMUM AND 4.510 INCHES MAXIMUM
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
MATERIAL	STEEL OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	33.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL AND CHROMATE AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.877 INCHES MINIMUM AND 0.927 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNJF

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