NSN 5306-01-025-4826 ST3M553D1478, ST3M553D14-78, 01-025-4826
Product Details | SHEAR BOLT
5306-01-025-4826 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: ST3M553D1478, ST3M553D14-78, 5306-01-025-4826, 01-025-4826, 5306010254826, 010254826
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 03 AUG 1976 | 01-025-4826 | 15903 ( BOLT, SHEAR ) |
Drawings & Photos | NSN 5306-01-025-4826
Cross Reference | NSN 5306-01-025-4826
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ST3M553D14-78 | 76301 | BOEING COMPANY, THE DBA BOEING |
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Technical Data | NSN 5306-01-025-4826
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.169 INCHES MINIMUM AND 1.219 INCHES MAXIMUM |
| FASTENER LENGTH | 6.054 INCHES MINIMUM AND 6.084 INCHES MAXIMUM |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | C10 DOUBLE HEXAGON WITH HOLE |
| HEAD HEIGHT | 0.798 INCHES MINIMUM AND 0.818 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.934 INCHES MINIMUM AND 0.943 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| GRIP LENGTH | 4.865 INCHES MINIMUM AND 4.885 INCHES MAXIMUM |
| GRIP DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 5.908 INCHES MINIMUM AND 5.938 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM FIRST HOLE |
| SPECIFICATION/STANDARD DATA | 76301-ST3M553 MANUFACTURERS STANDARD |
Restrictions/Controls & Freight Information | NSN 5306-01-025-4826
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious 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 | 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 |