5305-01-129-6938
Find complete technical information, availability, and procurement data for: 5305-01-129-6938
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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.
1.035 inches minimum and 1.065 inches maximum fastener length, flat countersunk head style, 3a thread class, 0.400 inches minimum and 0.450 inches maximum thread length, right-hand thread direction
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
- 0.400 inches minimum and 0.450 inches maximum
- Fastener Length
- 1.035 inches minimum and 1.065 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.464 inches minimum and 0.506 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.615 inches minimum and 0.635 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 8740 overall
- Material Document And Classification
- mil-s-6049 mil spec single material response overall
- Surface Treatment
- aluminum and chromate overall
- Surface Treatment Document And Classification
- mil-c-83488 type 2 class 3 mil spec single treatment response 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 |
|---|---|
| HT4054-4-10 | Close Tolerance Screw |
| HT4054-4-10A | Close Tolerance Screw |
| ST3M730-4-10 | Close Tolerance Screw |
| ST3M730-4L10 | Close Tolerance Screw |
| WC4054-4-10A | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-129-6938 was assigned to the Federal Catalog?
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