NSN 5306-01-581-4940 BACB30MK4K15, BACB30MR4K15, 01-581-4940
Product Details | SHEAR BOLT
5306-01-581-4940 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: BACB30MK4K15, BACB30MR4K15, 5306-01-581-4940, 01-581-4940, 5306015814940, 015814940
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 20 JAN 2010 | 01-581-4940 | 15903 ( BOLT, SHEAR ) |
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Technical Data | NSN 5306-01-581-4940
| Characteristic | Specifications |
|---|---|
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS 10-85, TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY OVERALL |
| GRIP DIAMETER | 0.2481 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| HEAD HEIGHT | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| THREAD SERIES DESIGNATOR | UNJF |
| FASTENER LENGTH | 1.583 INCHES MINIMUM AND 1.613 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD LENGTH | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| THREAD CLASS | 3A |
Restrictions/Controls & Freight Information | NSN 5306-01-581-4940
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | A | Item 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: | 0 | Represents 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 |
|---|---|---|
| No Freight Information | ||