5305-00-149-9941
Find complete technical information, availability, and procurement data for: 5305-00-149-9941
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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.
0.657 inches nominal fastener length, 0.497 inches minimum and 0.507 inches maximum head diameter, flat countersunk head style, 0.469 inches minimum 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 Length
- 0.469 inches minimum
- Fastener Length
- 0.657 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.497 inches minimum and 0.507 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.157 inches minimum and 0.159 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Material
- steel overall
- Surface Treatment
- cadmium and dichromate overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-638-8780 | No Name Available | 01/01/1960 |
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 |
|---|---|
| NAS334A5 | Socket Head Cap Screw |
FAQs
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Does NSN 5305-00-149-9941 require demilitarization?
Does NSN 5305-00-149-9941 contain precious materials?
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When the NSN 5305-00-149-9941 was assigned to the Federal Catalog?
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