MS16998-75
View detailed technical data, stock status, and sourcing information for: MS16998-75
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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.
1.127 inches minimum and 1.250 inches maximum thread length, flat chamfer head style, 3a thread class, 1.210 inches minimum and 1.250 inches maximum fastener 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
- 1.127 inches minimum and 1.250 inches maximum
- Fastener Length
- 1.210 inches minimum and 1.250 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.550 inches minimum and 0.563 inches maximum
- Head Height
- 0.368 inches minimum and 0.375 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.313 inches minimum and 0.316 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 155000 pounds per square inch
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty2 cl2 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-058-5785 | No Name Available | 08/01/1979 |
| 5305-01-020-9609 | No Name Available | 09/01/1982 |
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 |
|---|---|
| 10465957 | Socket Head Cap Screw |
| 402351035 | Socket Head Cap Screw |
| 5305009837449 | Socket Head Cap Screw |
| 870680-00 | Socket Head Cap Screw |
| MS16998-75 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-983-7449?
Does the NSN 5305-00-983-7449 have a Schedule B code assigned?
Does NSN 5305-00-983-7449 require demilitarization?
Does NSN 5305-00-983-7449 contain precious materials?
Does NSN 5305-00-983-7449 contain hazardous materials?
When the NSN 5305-00-983-7449 was assigned to the Federal Catalog?
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Pricing
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