NSN 5306-01-370-5788 BACB30LE5K12, 01-370-5788, 013705788
Product Details | MACHINE BOLT
5306-01-370-5788 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
Part Alternates: BACB30LE5K12, 5306-01-370-5788, 01-370-5788, 5306013705788, 013705788
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 26 JAN 1993 | 01-370-5788 | 01847 ( BOLT, MACHINE ) |
Drawings & Photos | NSN 5306-01-370-5788
Demand History | NSN 5306-01-370-5788
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| BACB30LE5K12 | 2025-10-302 | 101 | DIBBS |
| BACB30LE5K12 | 2025-10-294 | 101 | DIBBS |
| BACB30LE5K12 | 2025-07-198 | 191 | DIBBS |
| BACB30LE5K12 | 2025-07-190 | 191 | DIBBS |
| 5306-01-370-5788 | 2016-05-144 | 93 | DIBBS |
| 5306-01-370-5788 | 2016-05-133 | 93 | DIBBS |
Cross Reference | NSN 5306-01-370-5788
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| BACB30LE5K12 | 81205 | THE BOEING COMPANY DBA BOEING |
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Technical Data | NSN 5306-01-370-5788
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.593 INCHES NOMINAL |
| FASTENER LENGTH | 1.328 INCHES MINIMUM AND 1.358 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| SURFACE TREATMENT | ALUMINUM THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS 10-85,TY I MFR REF SINGLE TREATMENT RESPONSE THREADS |
| HEAD STYLE | C9 DOUBLE HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| GRIP LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5306-01-370-5788
| 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 |
|---|---|---|
| No Freight Information | ||