5305-00-050-4271
Find complete technical information, availability, and procurement data for: 5305-00-050-4271
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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.
3a thread class, flat countersunk head style, right-hand thread direction, 0.375 inches nominal fastener length, 0.325 inches minimum and 0.375 inches maximum thread length
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
- 0.325 inches minimum and 0.375 inches maximum
- Fastener Length
- 0.375 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.218 inches minimum and 0.255 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.112 inches
- Width Across Flats
- 0.062 inches nominal
- Thread Quantity Per Inch
- 40
- 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
- Countersink Angle
- 80.0 degrees minimum and 84.0 degrees maximum
- Material
- steel overall
- Material Document And Classification
- 66 fed std single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 fed spec single treatment 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-682-5759 | No Name Available | 01/01/1998 |
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:
FAQs
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Does NSN 5305-00-050-4271 require demilitarization?
Does NSN 5305-00-050-4271 contain precious materials?
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When the NSN 5305-00-050-4271 was assigned to the Federal Catalog?
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 1,100 |
| New Material | 20,189 |
| Serviceable | 1 |
| Total | 21,290 |