7823864-1-04-38
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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.
crowned hexagon head style, 2.663 inches minimum and 2.690 inches maximum fastener length, 0.268 inches minimum and 0.315 inches maximum thread length, right-hand thread direction, 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
- 0.268 inches minimum and 0.315 inches maximum
- Fastener Length
- 2.663 inches minimum and 2.690 inches maximum
- Head Style
- crowned hexagon
- Head Height
- 0.131 inches minimum and 0.141 inches maximum
- Width Between Flats
- 0.429 inches minimum and 0.439 inches maximum
- Locking Feature
- detent ball grip
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches minimum and 0.086 inches maximum second hole
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 2.375 inches minimum and 2.395 inches maximum
- Thread Quantity Per Inch
- 28
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.222 inches minimum and 1.296 inches maximum second hole
- Special Features
- two spring loaded balls,in shank as self retaining feature
- Material
- steel overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- fs251,fscm 88277 mfr ref single treatment response overall
- 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 |
|---|---|
| 7823864-1-04-38 | Close Tolerance Screw |
| AS101-04-38 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-929-9214?
Does the NSN 5305-00-929-9214 have a Schedule B code assigned?
Does NSN 5305-00-929-9214 require demilitarization?
Does NSN 5305-00-929-9214 contain precious materials?
Does NSN 5305-00-929-9214 contain hazardous materials?
When the NSN 5305-00-929-9214 was assigned to the Federal Catalog?
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