MS16997-118
View detailed technical data, stock status, and sourcing information for: MS16997-118
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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.
0.625 inches nominal fastener length, 0.498 inches minimum thread length, flat chamfer head style, right-hand thread direction, 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
- 0.498 inches minimum
- Fastener Length
- 0.625 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.642 inches minimum and 0.656 inches maximum
- Head Height
- 0.430 inches minimum and 0.438 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.438 inches
- Width Across Flats
- 0.375 inches minimum and 0.379 inches maximum
- Thread Quantity Per Inch
- 14
- Minimum Tensile Strength
- 160000 pounds per square inch
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- 66 fed std single material response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-272-6525 | No Name Available | 09/01/2023 |
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 |
|---|---|
| MS16997-118 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-051-4096?
Does the NSN 5305-00-051-4096 have a Schedule B code assigned?
Does NSN 5305-00-051-4096 require demilitarization?
Does NSN 5305-00-051-4096 contain precious materials?
Does NSN 5305-00-051-4096 contain hazardous materials?
When the NSN 5305-00-051-4096 was assigned to the Federal Catalog?
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Pricing
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