203-21207-246
View detailed technical data, stock status, and sourcing information for: 203-21207-246
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
2a thread class, pan head style, 0.407 inches minimum and 0.438 inches maximum fastener length, 0.345 inches minimum and 0.438 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.345 inches minimum and 0.438 inches maximum
- Fastener Length
- 0.407 inches minimum and 0.438 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
- 55000 pounds per square inch
- Screw Material
- steel
- Screw Surface Treatment
- cadmium and chromate or zinc and chromate
- 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 |
|---|---|
| 203-21207-246 | Machine Screw |
| MS35209-54 | Machine Screw |
FAQs
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Does NSN 5305-00-059-8020 contain precious materials?
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When the NSN 5305-00-059-8020 was assigned to the Federal Catalog?
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