5305-00-040-9780
Find complete technical information, availability, and procurement data for: 5305-00-040-9780
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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.
flat chamfer head style, 3a thread class, 0.930 inches minimum and 0.960 inches maximum fastener length, right-hand thread direction, 0.290 inches minimum and 0.340 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
- 0.290 inches minimum and 0.340 inches maximum
- Fastener Length
- 0.930 inches minimum and 0.960 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.498 inches minimum and 0.500 inches maximum
- Head Height
- 0.740 inches minimum and 0.760 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.620 inches minimum and 0.640 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 33.0 rockwell c nominal overall
- Surface Finish
- 63.0 microinches grip
- Material
- steel comp 4340 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 fed spec all treatment responses overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 39-25088-1 | Close Tolerance Screw |
FAQs
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