CA4850-04-13
View detailed technical data, stock status, and sourcing information for: CA4850-04-13
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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.
right-hand thread direction, hexagon head style, 3a thread class, 0.315 inches nominal thread length, 1.229 inches minimum and 1.276 inches maximum fastener 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
- 0.315 inches nominal
- Fastener Length
- 1.229 inches minimum and 1.276 inches maximum
- Head Style
- hexagon
- Head Height
- 0.131 inches minimum and 0.141 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Locking Feature
- detent ball grip
- Grip Diameter
- 0.2487 inches minimum and 0.2492 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.812 inches minimum and 0.828 inches maximum
- Thread Quantity Per Inch
- 28
- Surface Finish
- 32.0 microinches grip
- Material
- steel comp 4340 or steel comp 8740 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416 ty 1 fed spec single treatment response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-836-3856 | No Name Available | 05/01/1982 |
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 |
|---|---|
| 202-15500-4-13 | Close Tolerance Screw |
| AS-110-4-13 | Close Tolerance Screw |
| AS04-13 | Close Tolerance Screw |
| CA2600-04-13 | Close Tolerance Screw |
| CA4850-04-13 | Close Tolerance Screw |
| CA4850-4-13 | Close Tolerance Screw |
| VP1072-4-13 | Close Tolerance Screw |
| VP933-4-13 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-060-9478?
Does the NSN 5305-00-060-9478 have a Schedule B code assigned?
Does NSN 5305-00-060-9478 require demilitarization?
Does NSN 5305-00-060-9478 contain precious materials?
Does NSN 5305-00-060-9478 contain hazardous materials?
When the NSN 5305-00-060-9478 was assigned to the Federal Catalog?
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