MS16998-107
View detailed technical data, stock status, and sourcing information for: MS16998-107
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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.
1.190 inches minimum and 1.250 inches maximum fastener length, 1.079 inches minimum and 1.250 inches maximum thread length, right-hand thread direction, flat chamfer head style, 3a thread class
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
- 1.079 inches minimum and 1.250 inches maximum
- Fastener Length
- 1.190 inches minimum and 1.250 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.921 inches minimum and 0.938 inches maximum
- Head Height
- 0.616 inches minimum and 0.625 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.625 inches
- Width Across Flats
- 0.500 inches minimum and 0.505 inches maximum
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 6 type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-151-8702 | No Name Available | 04/01/1983 |
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 |
|---|---|
| 509441-1010 | Socket Head Cap Screw |
| MS16998-107 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-983-8078?
Does the NSN 5305-00-983-8078 have a Schedule B code assigned?
Does NSN 5305-00-983-8078 require demilitarization?
Does NSN 5305-00-983-8078 contain precious materials?
Does NSN 5305-00-983-8078 contain hazardous materials?
When the NSN 5305-00-983-8078 was assigned to the Federal Catalog?
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Pricing
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