Product Details | SHEAR BOLT

5306-01-276-3331 A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.

Part Alternates: SS52115B4, SS5211-5B4, 5306-01-276-3331, 01-276-3331, 5306012763331, 012763331

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 07 APR 1988 01-276-3331

Drawings & Photos | NSN 5306-01-276-3331


Demand History | NSN 5306-01-276-3331

Part Number Request Date QTY Origin
SS5211-5B4 2020-02-48 48 DIBBS

Cross Reference | NSN 5306-01-276-3331

Part Number Cage Code Manufacturer
SS5211-5B4 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
SS5211-5B4 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
SS5211-5B4 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
SS5211-5B4 78286 SIKORSKY AIRCRAFT CORPORATION
SS5211-5B4 84256 AVIBANK MFG., INC.
SS5211-5B4 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5306-01-276-3331

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 0.629 INCHES MINIMUM AND 0.681 INCHES MAXIMUM
FASTENER LENGTH 0.889 INCHES MINIMUM AND 0.921 INCHES MAXIMUM
MATERIAL STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-8844 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
COLOR BLACK OVERALL
HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
HEAD STYLE C10 DOUBLE HEXAGON WITH HOLE
HEAD HEIGHT 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.375 INCHES NOMINAL
EXTENDED WASHER DIAMETER 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
EXTENDED WASHER THICKNESS 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
GRIP LENGTH 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
GRIP DIAMETER 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP
SPECIAL FEATURES DIESEL FUEL OIL PER VV-L-800 OR CORROSION PREVENTIVE COMPOUND SOLVENT CUTBACK COLD-APPLICATION PER MIL-C-16173 GRADE 3

Restrictions/Controls & Freight Information | NSN 5306-01-276-3331

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 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 5306-01-276-3331

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