ST2178-06
View detailed technical data, stock status, and sourcing information for: ST2178-06
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
right-hand thread direction, 3a thread class, flat countersunk head style, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.199 inches minimum and 0.292 inches maximum thread length
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
- 0.199 inches minimum and 0.292 inches maximum
- Fastener Length
- 0.344 inches minimum and 0.375 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.359 inches minimum and 0.385 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 130000 pounds per square inch
- Hardness Rating
- 24.0 rockwell c minimum and 35.0 rockwell c maximum
- Countersink Angle
- 98.0 degrees minimum and 100.0 degrees maximum
- Screw Material
- steel
- Screw Material Document And Classification
- ams 5735 assn std single material response
- Thread Series Designator
- unjf
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 |
|---|---|
| 5305PL0728677 | Machine Screw |
| ST2178-06 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-365-2866?
Does the NSN 5305-00-365-2866 have a Schedule B code assigned?
Does NSN 5305-00-365-2866 require demilitarization?
Does NSN 5305-00-365-2866 contain precious materials?
Does NSN 5305-00-365-2866 contain hazardous materials?
When the NSN 5305-00-365-2866 was assigned to the Federal Catalog?
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