5306-01-440-4882, BOLT,SHEAR

National Stock Number:
5306-01-440-4882

Federal Supply Class:
5306

National Item Identification Number:
014404882

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:

5306PL1504571	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
NAS1304-3	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	0.425 INCHES NOMINAL
FASTENER LENGTH	0.613 INCHES NOMINAL
MATERIAL	STEEL COMP E4340 OR
	STEEL COMP 4140 OR
	STEEL COMP 8740 OR
	STEEL COMP 8735 OR
	STEEL COMP 6150 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	IL-S-5000 FED SPEC 10TH 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 OR
	IL-S-8503 MFR REF 10TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND
	40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	DISHED HEXAGON
HEAD HEIGHT	0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND
	0.439 INCHES MAXIMUM
GRIP LENGTH	0.178 INCHES MINIMUM AND
	0.198 INCHES MAXIMUM
GRIP DIAMETER	0.2479 INCHES MINIMUM AND
	0.2485 INCHES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
	32.0 MICROINCHES THREADS
	63.0 MICROINCHES FASTENER
FEATURES PROVIDED	FINISHED HEAD
SPECIFICATION/STANDARD DATA	80205-NAS1304 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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