NAS1123-40H
View detailed technical data, stock status, and sourcing information for: NAS1123-40H
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A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
0.251 inches minimum and 0.301 inches maximum thread length, 2.761 inches minimum and 2.791 inches maximum fastener length, 3a thread class, right-hand thread direction, flat chamfer head style
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
- 0.251 inches minimum and 0.301 inches maximum
- Fastener Length
- 2.761 inches minimum and 2.791 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.306 inches minimum and 0.313 inches maximum
- Head Height
- 0.103 inches minimum and 0.118 inches maximum
- Hole Diameter
- 0.034 inches minimum and 0.042 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 2.490 inches minimum and 2.510 inches maximum
- Hole Quantity
- 1
- Hole Type
- drilled
- 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 overall
- Hole Configuration Style
- round
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp e4340 or steel comp 8740 overall
- 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 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1123 professional/industrial association standard
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 |
|---|---|
| NAS1123-40H | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-209-9379?
Does the NSN 5305-01-209-9379 have a Schedule B code assigned?
Does NSN 5305-01-209-9379 require demilitarization?
Does NSN 5305-01-209-9379 contain precious materials?
Does NSN 5305-01-209-9379 contain hazardous materials?
When the NSN 5305-01-209-9379 was assigned to the Federal Catalog?
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