Product Details | CLOSE TOLERANCE BOLT

5306-00-974-6595 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: MB182JK526, MB182JK-5-26, AIC5168526, AIC51685-26, EWSB225A26, EWSB22-5A26, GB511B526, GB511B5-26, PBF1078526, PBF10785-26, VAL22034526, VAL22034-5-26, VS2521F526, VS2521F5-26, 5306-00-974-6595, 00-974-6595, 5306009746595, 009746595

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 07 OCT 1966 00-974-6595

Drawings & Photos | NSN 5306-00-974-6595


Cross Reference | NSN 5306-00-974-6595

Part Number Cage Code Manufacturer
AIC51685-26 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
EWSB22-5A26 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
EWSB22-5A26 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
GB511B5-26 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
MB182JK-5-26 73197 HI-SHEAR CORPORATION
MB182JK-5-26 L4528 LISI AEROSPACE CANADA CORP
PBF10785-26 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
VAL22034-5-26 06710 VALLEY-TODECO, INC.
VS2521F5-26 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
VS2521F5-26 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5306-00-974-6595

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.351 INCHES MAXIMUM
FASTENER LENGTH 1.976 INCHES NOMINAL
MATERIAL STEEL OR STEEL COMP H11 OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C8 DOUBLE HEXAGON
HEAD HEIGHT 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
GRIP LENGTH 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM
GRIP DIAMETER 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM
TEST DATA DOCUMENT 26512-GB511B DRAWING
SPECIFICATION/STANDARD DATA 26512-GB511B5 MANUFACTURERS STANDARD

Restrictions/Controls & Freight Information | NSN 5306-00-974-6595

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: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
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 KE Naval ICP
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

Management | NSN 5306-00-974-6595

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each