5306-01-199-1262, BOLT,CLOSE TOLERANCE

5935-01-199-1264 SOCKET,PLUG-IN ELECTRONIC COMPONENTS

National Stock Number:
5306-01-199-1262

Federal Supply Class:
5306

National Item Identification Number:
011991262

Description:
BOLT,CLOSE TOLERANCE

Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.

Manufacturer Information:

10116145	A486G	NIMIKKEISTOKESKUS NCB FINLAND
3M1046-10-15	76301	THE BOEING COMPANY
PBF1426-10-15	27624	SPS TECHNOLOGIES LLC
81921-10-15	56878	SPS TECHNOLOGIES, LLC

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.579 INCHES MINIMUM AND 1.636 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.833 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
GRIP LENGTH	0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM
GRIP DIAMETER	0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
HEAD HEIGHT	0.350 INCHES NOMINAL
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
HOLE CONFIGURATION STYLE	SPLINE
HOLE DIAMETER	0.065 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
HOLE QUANTITY	1
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COBALT COMP MP-35-N OVERALL
MINIMUM TENSILE STRENGTH	145000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	TWO HOLES 90 DEGREES APART
WIDTH BETWEEN FLATS	0.970 INCHES MINIMUM AND 0.978 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.886 INCHES MINIMUM AND 0.953 INCHES MAXIMUM
THREAD QUANTITY PER INCH	18
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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