AS51989
View detailed technical data, stock status, and sourcing information for: AS51989
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A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.
3a nut thread thread class, 0.505 inches minimum and 0.535 inches maximum stud thread thread length, +0.3926 to 0.3946 inches stud thread thread pitch diameters, right-hand nut thread thread direction, right-hand stud thread 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
- 3a nut thread
- Thread Pitch Diameters
- +0.3926 to 0.3946 inches stud thread
- Thread Direction
- right-hand nut thread
- Thread Direction
- right-hand stud thread
- Thread Length
- 0.505 inches minimum and 0.535 inches maximum stud thread
- Thread Length
- 0.605 inches minimum and 0.635 inches maximum nut thread
- Locking Feature
- key inserts
- Overall Length
- 1.595 inches minimum and 1.655 inches maximum
- Distance From Serrated Portion To Nut End
- 0.860 inches minimum and 0.890 inches maximum
- Distance From Serrated Portion To Stud End
- 0.735 inches minimum and 0.765 inches maximum
- Distance From Serrated Portion To End Of Stud Thread
- 0.200 inches minimum and 0.260 inches maximum
- Serration Quantity
- 24
- Thread Quantity Per Inch
- 14 stud thread
- Thread Quantity Per Inch
- 24 nut thread
- Hardness Rating
- 26.0 rockwell c minimum
- Nominal Thread Size
- 0.375 inches nut thread
- Nominal Thread Size
- 0.438 inches stud thread
- Surface Finish
- 32.0 microinches nut thd
- Serration Included Angle
- 102.0 degrees nominal
- Material
- steel comp 4130
- Material Document And Classification
- mil-s-6758 mil spec single material response
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Style Designator
- locked in
- Thread Series Designator
- unf nut thread
- Thread Series Designator
- uns stud thread
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 |
|---|---|
| AS51989 | Locked in Stud |
| MS51989-107-14 | Locked in Stud |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5307-01-032-0643?
Does NSN 5307-01-032-0643 require demilitarization?
Does NSN 5307-01-032-0643 contain precious materials?
Does NSN 5307-01-032-0643 contain hazardous materials?
When the NSN 5307-01-032-0643 was assigned to the Federal Catalog?
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