5305-00-803-8191
Find complete technical information, availability, and procurement data for: 5305-00-803-8191
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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.
button head style, right-hand thread direction, 3a thread class, 1.066 inches nominal fastener length, 0.316 inches minimum 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
- 0.316 inches minimum
- Fastener Length
- 1.066 inches nominal
- Head Style
- button
- Head Diameter
- 0.484 inches nominal
- Head Height
- 0.141 inches nominal
- Internal Drive Style
- torque set
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Screw Material
- steel
- Screw Surface Treatment
- cadmium
- Thread Series Designator
- unf
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 |
|---|---|
| 51B222-12H | Machine Screw |
FAQs
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When the NSN 5305-00-803-8191 was assigned to the Federal Catalog?
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