5306-01-351-3503, BOLT,SHEAR

National Stock Number:
5306-01-351-3503

Federal Supply Class:
5306

National Item Identification Number:
013513503

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:

NAS6304LU14D

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.370 INCHES NOMINAL
FASTENER LENGTH	1.230 INCHES MINIMUM AND
	1.260 INCHES MAXIMUM
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	IRON ALLOY 660 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	DISHED HEXAGON
HEAD HEIGHT	0.125 INCHES MINIMUM AND
	0.140 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.429 INCHES MINIMUM AND
	0.439 INCHES MAXIMUM
LOCKING FEATURE	PATCH OR
	PELLET OR
	STRIP THREADS
GRIP LENGTH	0.865 INCHES MINIMUM AND
	0.885 INCHES MAXIMUM
GRIP DIAMETER	0.2490 INCHES MINIMUM AND
	0.2495 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES GRIP
	32.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.075 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND
	0.086 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA	80205-NAS6304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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