NSN 5306-00-031-6357 212204, 00-031-6357, 000316357
Product Details | EXTERNALLY RELIEVED BODY BOLT
5306-00-031-6357 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
Part Alternates: 212204, 5306-00-031-6357, 00-031-6357, 5306000316357, 000316357
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-031-6357 | 06675 ( BOLT, EXTERNALLY RELIEVED BODY ) |
Drawings & Photos | NSN 5306-00-031-6357
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Technical Data | NSN 5306-00-031-6357
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 1A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| FASTENER LENGTH | 1.700 INCHES MINIMUM AND 1.720 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.555 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.590 INCHES MINIMUM AND 1.610 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FIRST DIAMETER FROM HEAD | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| SECOND DIAMETER FROM HEAD | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.060 INCHES MINIMUM AND 1.100 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.190 INCHES MINIMUM AND 1.210 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5306-00-031-6357
| 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 | ||