NSN 5306-00-638-8258 00-638-8258, 006388258
Product Details | MACHINE BOLT
5306-00-638-8258 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: 5306-00-638-8258, 00-638-8258, 5306006388258, 006388258
Hardware and Abrasives | Bolts
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 00-638-8258 | 01847 ( BOLT, MACHINE ) |
Drawings & Photos | NSN 5306-00-638-8258
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Technical Data | NSN 5306-00-638-8258
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.625 INCHES MAXIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | PWA722,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | C1 HEXAGON |
| HEAD HEIGHT | 0.203 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.495 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| MANUFACTURERS CODE | 77445 |
| DESIGN CONTROL REFERENCE | 224431 |
Restrictions/Controls & Freight Information | NSN 5306-00-638-8258
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||