5306-00-078-5698, BOLT,SHEAR

6685-00-078-5699 GAGE,PRESSURE,DIAL INDICATING

National Stock Number:
5306-00-078-5698

Federal Supply Class:
5306

National Item Identification Number:
000785698

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:

NAS628H20	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NAS628H20	A0126	LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE

Techincal Specification:

EXTENDED WASHER DIAMETER	0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.213 INCHES MINIMUM AND 0.233 INCHES MAXIMUM
FASTENER LENGTH	1.976 INCHES MINIMUM AND 2.006 INCHES MAXIMUM
GRIP DIAMETER	0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
GRIP LENGTH	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
HARDNESS RATING	43.0 ROCKWELL C NOMINAL OVERALL
HEAD HEIGHT	0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS628 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.716 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNJF

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