NASM24678-MS24678-28
View detailed technical data, stock status, and sourcing information for: NASM24678-MS24678-28
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
right-hand thread direction, 1.960 inches minimum and 2.000 inches maximum fastener length, flat chamfer head style, 3a thread class, 0.960 inches minimum and 1.250 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
- 0.960 inches minimum and 1.250 inches maximum
- Fastener Length
- 1.960 inches minimum and 2.000 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Hole Diameter
- 0.047 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.187 inches minimum and 0.190 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 170000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 150000 pounds per square inch
- Hole Configuration Style
- round longitudinal hole
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 4 type
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 |
|---|---|
| MS24678-28 | Internal Wrenching Bolt |
| MS24678-28C | Internal Wrenching Bolt |
| NASM24678-MS24678-28 | Internal Wrenching Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-682-7731?
Does the NSN 5306-00-682-7731 have a Schedule B code assigned?
Does NSN 5306-00-682-7731 require demilitarization?
Does NSN 5306-00-682-7731 contain precious materials?
Does NSN 5306-00-682-7731 contain hazardous materials?
When the NSN 5306-00-682-7731 was assigned to the Federal Catalog?
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Material | 702 |
| New Surplus | 437 |
| Total | 1,139 |