990390-811
View detailed technical data, stock status, and sourcing information for: 990390-811
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An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
0.4375 inches nominal fastener length, 0.4375 inches maximum thread length, right-hand thread direction, pan no. 2 head style, 2a 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.4375 inches maximum
- Fastener Length
- 0.4375 inches nominal
- Head Style
- pan no. 2
- Head Diameter
- 0.357 inches minimum and 0.373 inches maximum
- Head Height
- 0.099 inches minimum and 0.110 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Screw Material
- steel
- Screw Material Document And Classification
- qq-s-633,except bessemer comp fed spec single material response or qq-w-409,except bessemer comp fed spec single material response
- Screw Surface Treatment
- cadmium and chromate
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 1 type and 9s style
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 |
|---|---|
| 990390-811 | Machine Screw |
| MS35224-62 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-639-8065?
Does the NSN 5305-00-639-8065 have a Schedule B code assigned?
Does NSN 5305-00-639-8065 require demilitarization?
Does NSN 5305-00-639-8065 contain precious materials?
Does NSN 5305-00-639-8065 contain hazardous materials?
When the NSN 5305-00-639-8065 was assigned to the Federal Catalog?
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