16990*4F-16D
View detailed technical data, stock status, and sourcing information for: 16990*4F-16D
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right-hand thread direction, 0.984 inches minimum and 1.016 inches maximum fastener length, flat countersunk head style, 1.000 inches maximum thread length, 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
- 1.000 inches maximum
- Fastener Length
- 0.984 inches minimum and 1.016 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.359 inches minimum and 0.411 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.1562 inches minimum and 0.1582 inches maximum
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Countersink Angle
- 80.0 degrees minimum and 84.0 degrees maximum
- Special Features
- ms24669 is a cancelled spec
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416-ty 2, cl 3 fed spec all treatment responses overall
- Thread Series Designator
- unf
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 |
|---|---|
| 16990*4F-16D | Socket Head Cap Screw |
| MS24668-13L | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-424-9416?
Does the NSN 5305-01-424-9416 have a Schedule B code assigned?
Does NSN 5305-01-424-9416 require demilitarization?
Does NSN 5305-01-424-9416 contain precious materials?
Does NSN 5305-01-424-9416 contain hazardous materials?
When the NSN 5305-01-424-9416 was assigned to the Federal Catalog?
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Pricing
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