Product Details | CLOSE TOLERANCE BOLT

5306-01-237-5739 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: NAS6703HU5, 5306-01-237-5739, 01-237-5739, 5306012375739, 012375739

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01 AUG 1986 01-237-5739

Drawings & Photos | NSN 5306-01-237-5739


Demand History | NSN 5306-01-237-5739

Part Number Request Date QTY Origin
NAS6703HU5 2024-06-156 4 United States
5306-01-237-5739 2016-05-140 26 DIBBS
5306-01-237-5739 2016-05-132 26 DIBBS
NAS6703HU5 2007-03-82 100 United States
NAS6703HU5 2007-03-75 100 United States

Cross Reference | NSN 5306-01-237-5739

Part Number Cage Code Manufacturer
NAS6703HU5 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5306-01-237-5739

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.181 INCHES MINIMUM AND 0.184 INCHES MAXIMUM
FASTENER LENGTH 0.642 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.410 INCHES NOMINAL
HOLE CONFIGURATION STYLE E4 HEXAGON CORNERS
HOLE TYPE DRILLED
HOLE QUANTITY 3
HOLE DIAMETER 0.046 INCHES NOMINAL
GRIP LENGTH 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS6703HU5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5306-01-237-5739

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code 9Z DLIS-K
Battle Creek, MI 49037-3084
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable