3120-01-521-2048
Find complete technical information, availability, and procurement data for: 3120-01-521-2048
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An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
0.3125 inches nominal body inside diameter, 0.4980 inches nominal body outside diameter, chamfered outside right corner corner shape, chamfered outside left corner corner shape, 0.3220 inches nominal overall length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Length
- 0.3220 inches nominal
- Body Outside Diameter
- 0.4980 inches nominal
- Body Inside Diameter
- 0.3125 inches nominal
- Corner Shape
- chamfered outside right corner
- Corner Shape
- chamfered outside left corner
- Corner Shape
- square inside left corner
- Corner Shape
- square inside right corner
- Material
- steel comp 4130 or steel comp 8630 overall
- Material Document And Classification
- mil-s-6758 mil spec single material response or mil-s-6050 mil spec single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416, tyii, cl2 fed spec single treatment response overall
- Style Designator
- solid, plain, no outside flanges
- Specification/Standard Data
- 80205-nas73 professional/industrial association standard
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 |
|---|---|
| NAS73-5E005 | Sleeve Bushing |
FAQs
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When the NSN 3120-01-521-2048 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 Material | 3,561 |
| New Surplus | 268 |
| Total | 3,829 |