5306-01-560-7687, BOLT,SHEAR

6210-01-560-7686 LIGHT ASSEMBLY,INDICATOR

1730-01-560-7688 COVER,AIRCRAFT GROUND SERVICING

National Stock Number:
5306-01-560-7687

Federal Supply Class:
5306

National Item Identification Number:
015607687

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:

MS21297-12076	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21297-12076	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTENDED WASHER DIAMETER	1.394 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.118 INCHES MAXIMUM
FASTENER LENGTH	5.938 INCHES NOMINAL
GRIP DIAMETER	0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
GRIP LENGTH	4.740 INCHES MINIMUM AND 4.760 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.600 INCHES NOMINAL
HEAD MINOR DIAMETER	0.797 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
HEAD STYLE	SPLINE EXTENDED WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT TENSION STEEL 220KSI FTU 450 DEGREES F EXTERNAL WRENCHING SPLINE DRIVE FLANGED HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.750 INCHES
SPECIFICATION/STANDARD DATA	NAS-21297 GOVERNMENT SPECIFICATION
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837 TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.173 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	16

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