Aeronautical Standard - Machine Bolt - AN3C4A
Genuine OEM Part
Description: Machine Bolt
Part Number: AN3C4A
Alternate Part Numbers: No known alternate
Product Overview
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.
Item Specification
| Thread Class | 3A | |
| Thread Direction | Right-hand | |
| Thread Length | 0.406 inches minimum | |
| Fastener Length | 0.531 inches nominal | |
| Head Style | Hexagon | |
| Head Height | 0.109 inches minimum and 0.141 inches maximum | |
| Width Between Flats | 0.365 inches minimum and 0.377 inches maximum | |
| Nominal Thread Diameter | 0.190 inches | |
| Grip Length | 0.125 inches nominal | |
| Features Provided | Finished head | |
| Thread Quantity per Inch | 32 | |
| Minimum Tensile Strength | 125000 pounds per square inch | |
| Hardness Rating | 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall | |
| Material | Steel corrosion resisting overall | |
| Material Document and Classification | QQ-S-770 fed spec single material response overall | |
| Surface Treatment | Passivate overall | |
| Thread Series Designator | UNF |
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| Additional info | |
|---|---|
| Colors | Silver |
| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 0.190" x 0.531" x 0.377" inches |
| Length | 0.531" inches |
| Weight | 0.05 lb |
| Specifications | |
|---|---|
| 8130-3 Eligible | Yes |
| ATA Chapter | 51 ATA Standard Practices and Structures |
| Available Conditions | NE / NS |
| Cage Code | 88044 |
| Country of origin | United States of America |
| ECCN / USML | EAR99 |
| FAA Approval Code | PC |
| Grip | 0.125 inches nominal |
| Hazmat Code | Not Applicable |
| Hazmat(Y/N) | N |
| Material | Corrosion Resistant Steel (CRES) |
| NSN | 5306-00-150-9528 |
| Schedule B | 7318.15.2095 |
| Thread | 0.406 inches minimum |
| Total Shelf Life (days) | Not Applicable |
| Type | Bolt |
| Units of Measure (UoM) | Each |
| Brand | Aeronautical Standard Group Inc |
| Color | Silver |
| Condition status | Depreciated |