Undrilled Shank Machine Bolt - AN5-31A
Aeronautical Standard
Description: Undrilled Shank Machine Bolt
Part Number: AN5-31A
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.
| Diameter | : | 5/16" inch |
| Dash Number | : | 31 |
| Thread Length | : | 0.531" inch |
| Length | : | 3-7/32" inches |
| Thread Type | : | UNF |
| Head Diameter | : | 0.58" inch |
| Head Height | : | 0.172 to 0.204" inch |
| Head Type | : | Hexagonal |
| Thread Size | : | 5/16-24 |
| Material | : | Alloy Steel |
| Grip Size | : | 2-11/16" inches |
| Finish | : | Cadmium |
| Thread Class | : | 3A |
| Thread Direction | : | Right Hand |
| Tensile Strength | : | 6.5 lbs. Steel, 3.22 lbs. Alloy |
| Shear Strength | : | 5.75 lbs. Steel, 2.685 lbs. Alloy |
| Grade | : | 4037/8740 |
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| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 3.44" inches x 0.57" inches x 0.57" inches |
| Length | 3.44" inches |
| Weight | 0.08 lbs. |
| Google export features | |
|---|---|
| MPN | AN5-31A |
| Specifications | |
|---|---|
| 8130-3 Eligible | No |
| ATA Chapter | 20 ATA Standard Practices |
| Available Conditions | NE/NS |
| Country of origin | United States |
| ECCN / USML | EAR99 |
| FAA Approval Code | STD |
| Grip | 2.688" inches |
| Hazmat(Y/N) | N |
| Material | Alloy Steel |
| NSN | 5306-00-151-2614 |
| Schedule B | 7318152000 |
| Thread | 0.531" inches |
| Type | Bolt |
| Units of Measure (UoM) | Each |
| Condition status | NE - New |
