5305-01-054-6268
Find complete technical information, availability, and procurement data for: 5305-01-054-6268
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
0.403 inches nominal thread length, right-hand thread direction, flat countersunk head style, 0.638 inches minimum and 0.668 inches maximum fastener 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
- 0.403 inches nominal
- Fastener Length
- 0.638 inches minimum and 0.668 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.350 inches minimum and 0.399 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.240 inches minimum and 0.260 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell c minimum and 49.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Material
- steel overall
- Material Document And Classification
- ams 6487 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas 672 assn std single treatment response overall
- Thread Series Designator
- unjf
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FAQs
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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 | 521 |
| New Material | 1,009 |
| Total | 1,530 |