NAS603-9
View detailed technical data, stock status, and sourcing information for: NAS603-9
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A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.
right-hand thread direction, 3a thread class, pan head style, 0.470 inches minimum and 0.562 inches maximum thread length, 0.532 inches minimum and 0.562 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
- 0.470 inches minimum and 0.562 inches maximum
- Fastener Length
- 0.532 inches minimum and 0.562 inches maximum
- Head Style
- pan
- Head Diameter
- 0.357 inches minimum and 0.373 inches maximum
- Head Height
- 0.122 inches minimum and 0.133 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum
- Screw Material
- steel comp 4140 or steel comp 4340 or steel comp 8740
- Screw Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec all treatment responses
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas603 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-680-7544 | No Name Available | 05/01/1998 |
| 5305-00-819-7004 | No Name Available | 02/01/1989 |
| 5305-00-849-8544 | No Name Available | 05/23/2012 |
| 5305-01-456-0368 | No Name Available | 09/01/2000 |
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 |
|---|---|
| 10125514 | Machine Screw |
| 495892 | Machine Screw |
| 5305008132791 | Machine Screw |
| 5305PL0979661 | Machine Screw |
| NAS603-9 | Machine Screw |
| NAS603-9P | Machine Screw |
| NAS8003-9 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-813-2791?
Does the NSN 5305-00-813-2791 have a Schedule B code assigned?
Does NSN 5305-00-813-2791 require demilitarization?
Does NSN 5305-00-813-2791 contain precious materials?
Does NSN 5305-00-813-2791 contain hazardous materials?
When the NSN 5305-00-813-2791 was assigned to the Federal Catalog?
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