Product Details | CLOSE TOLERANCE BOLT

5306-01-338-4018 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: BACB30NR4K10, 5306-01-338-4018, 01-338-4018, 5306013384018, 013384018

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 03 MAY 1991 01-338-4018

Drawings & Photos | NSN 5306-01-338-4018


Demand History | NSN 5306-01-338-4018

Part Number Request Date QTY Origin
5306-01-338-4018 2008-08-218 360 us

Cross Reference | NSN 5306-01-338-4018

Part Number Cage Code Manufacturer
BACB30NR4K10 06710 VALLEY-TODECO, INC.
BACB30NR4K10 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
BACB30NR4K10 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
BACB30NR4K10 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
BACB30NR4K10 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BACB30NR4K10 73197 HI-SHEAR CORPORATION
BACB30NR4K10 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP
BACB30NR4K10 81205 THE BOEING COMPANY DBA BOEING
BACB30NR4K10 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
BACB30NR4K10 93907 TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
BACB30NR4K10 97928 HUCK INTL INC
BACB30NR4K10 L4528 LISI AEROSPACE CANADA CORP
BACB30NR4K10 Z03F0 BOEING DEFENCE AUSTRALIA LTD
BACB30NR4K10 Z8T75 BOEING DEFENCE AUSTRALIA LTD

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Technical Data | NSN 5306-01-338-4018

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.389 INCHES NOMINAL
FASTENER LENGTH 0.999 INCHES MINIMUM AND 1.029 INCHES MAXIMUM
MATERIAL TITANIUM ALLOY UNS R56400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ALUMINUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION BMS 10-85 TY1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C3 DISHED HEXAGON
HEAD HEIGHT 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
GRIP LENGTH 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
SPECIAL FEATURES ALUMINUM COATING IDENTIFIED BY RED DYE ON THREAD END

Restrictions/Controls & Freight Information | NSN 5306-01-338-4018

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5306-01-338-4018

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each