S1814
View detailed technical data, stock status, and sourcing information for: S1814
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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.
3a thread class, 1.750 inches nominal fastener length, hexagon head style, 1.250 inches minimum and 1.438 inches maximum thread length, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.250 inches minimum and 1.438 inches maximum
- Fastener Length
- 1.750 inches nominal
- Head Style
- hexagon
- Head Height
- 0.378 inches minimum and 0.403 inches maximum
- Width Between Flats
- 0.736 inches minimum and 0.750 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 120000 pounds per square inch
- Hardness Rating
- 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Minimum Yield Strength
- 85000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- sae gr 5 assn std single material response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 2 type and 10 style
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 3214529 | Hexagon Head Cap Screw |
| AMS26S4105-682311ITEM318 | Hexagon Head Cap Screw |
| M2004P | Hexagon Head Cap Screw |
| S1814 | Hexagon Head Cap Screw |
| X100053 | Hexagon Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-206-6235?
Does the NSN 5305-00-206-6235 have a Schedule B code assigned?
Does NSN 5305-00-206-6235 require demilitarization?
Does NSN 5305-00-206-6235 contain precious materials?
Does NSN 5305-00-206-6235 contain hazardous materials?
When the NSN 5305-00-206-6235 was assigned to the Federal Catalog?
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