Product Details | SHEAR BOLT

5306-01-256-6845 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: 20057638D, 20-057-6-38D, 5306-01-256-6845, 01-256-6845, 5306012566845, 012566845

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 08 JUN 1987 01-256-6845

Drawings & Photos | NSN 5306-01-256-6845


Demand History | NSN 5306-01-256-6845

Part Number Request Date QTY Origin
20-057-6-38D 2022-05-139 108 DIBBS
20-057-6-38D 2022-03-74 140 DIBBS
20-057-6-38D 2021-08-235 98 DIBBS
20-057-6-38D 2021-08-222 98 DIBBS
20-057-6-38D 2021-05-131 42 DIBBS
20-057-6-38D 2021-01-25 16 DIBBS
5306-01-256-6845 2018-10-275 17 DIBBS
20057638D 2012-01-18 30 US

Cross Reference | NSN 5306-01-256-6845

Part Number Cage Code Manufacturer
20-057-6-38D 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES
20-057-6-38D 06950 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
20-057-6-38D 0K6Z0 SATURN FASTENERS INC DIV ACUMENT
20-057-6-38D 0PTK6 SPS TECHNOLOGIES INC
20-057-6-38D 0ZC92 HEARTLAND PRECISION FASTENERS, INC.
20-057-6-38D 27624 SPS TECHNOLOGIES, LLC DBA PB FASTENERS
20-057-6-38D 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
20-057-6-38D 62384 LFC INDUSTRIES INC.
20-057-6-38D 64728 AEROSPACE RIVET MFRS CORP
20-057-6-38D 97499 BELL HELICOPTER TEXTRON INC.

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Technical Data | NSN 5306-01-256-6845

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.553 INCHES MINIMUM AND 0.603 INCHES MAXIMUM
FASTENER LENGTH 2.938 INCHES MINIMUM AND 2.968 INCHES MAXIMUM
MATERIAL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP E4340 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C3 DISHED HEXAGON
HEAD HEIGHT 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
GRIP LENGTH 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM
GRIP DIAMETER 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 63.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 2.712 INCHES MINIMUM AND 2.762 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE
MANUFACTURERS CODE 97499
MFR SOURCE CONTROLLING REFERENCE 20-057-6-38D

Restrictions/Controls & Freight Information | NSN 5306-01-256-6845

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:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 5306-01-256-6845

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each