Product Details | CLOSE TOLERANCE BOLT

5306-01-205-8018 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.

Part Alternates: STSBS001A06D029, 684856P29, 68485-6P29, 5306-01-205-8018, 01-205-8018, 5306012058018, 012058018

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 11 APR 1985 01-205-8018

Drawings & Photos | NSN 5306-01-205-8018


Cross Reference | NSN 5306-01-205-8018

Part Number Cage Code Manufacturer
68485-6P29 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
68485-6P29 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
STSBS001A06D029 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5306-01-205-8018

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.419 INCHES NOMINAL
FASTENER LENGTH 1.797 INCHES MINIMUM AND 1.844 INCHES MAXIMUM
MATERIAL STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE AND NICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
MINIMUM TENSILE STRENGTH 156000 POUNDS PER SQUARE INCH
HEAD STYLE C8 DOUBLE HEXAGON
HEAD HEIGHT 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
GRIP LENGTH 1.383 INCHES MINIMUM AND 1.403 INCHES MAXIMUM
GRIP DIAMETER 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.663 INCHES MINIMUM AND 1.695 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
SPECIFICATION/STANDARD DATA 98897-STSBG001 MANUFACTURERS SPECIFICATION CONTROL
III SUPPLEMENTARY FEATURES LUB CETYL ALCOHOL

Restrictions/Controls & Freight Information | NSN 5306-01-205-8018

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information