Product Details | MACHINE BOLT

5306-01-266-7308 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Part Alternates: BACB30MT8T19Y, BACB30MT8T-19Y, 5306-01-266-7308, 01-266-7308, 5306012667308, 012667308

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 30 OCT 1987 01-266-7308

Drawings & Photos | NSN 5306-01-266-7308


Cross Reference | NSN 5306-01-266-7308

Part Number Cage Code Manufacturer
BACB30MT8T-19Y 06710 VALLEY-TODECO, INC.
BACB30MT8T-19Y 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
BACB30MT8T-19Y 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
BACB30MT8T-19Y 17943 FEDERAL MANUFACTURING CORPORATION
BACB30MT8T-19Y 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
BACB30MT8T-19Y 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BACB30MT8T-19Y 81205 THE BOEING COMPANY DBA BOEING
BACB30MT8T-19Y 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
BACB30MT8T-19Y 97928 HUCK INTL INC

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Technical Data | NSN 5306-01-266-7308

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.788 INCHES MINIMUM AND 0.838 INCHES MAXIMUM
FASTENER LENGTH 1.986 INCHES MINIMUM AND 2.016 INCHES MAXIMUM
MATERIAL STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT NICKEL AND CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS6487 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 220000 POUNDS PER SQUARE INCH
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.588 INCHES MAXIMUM
EXTENDED WASHER DIAMETER 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.015 INCHES NOMINAL
GRIP LENGTH 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-01-266-7308

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 KH Defense Industrial Supply Center
Philadelphia, PA 19111
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