2920-00-643-4850
Find complete technical information, availability, and procurement data for: 2920-00-643-4850
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An electrical item (the working element of which is constructed essentially of metallic substances) which changes alternating current to direct current by the rectifying action occurring at the junction interface between a metallic conductor and a semiconductor. Excludes:sets of metallic rectifiers which are not rated for rectifying capabilities but are used as suppressors. For items containing germanium or silicon, see semiconductor device (1), diode; semiconductor device set and rectifier, semiconductor device. For a complete power supply utilizing metallic rectifiers, see power supply.
0.460 inches minimum and 0.550 inches maximum thread length, terminal shield and woodruff key furnished items, right-hand thread direction, 0.668 inches minimum and 0.669 inches maximum second step diameter, 0.125 inches nominal keyway width
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Direction
- right-hand
- Thread Length
- 0.460 inches minimum and 0.550 inches maximum
- Furnished Items
- terminal shield and woodruff key
- Second Step Diameter
- 0.668 inches minimum and 0.669 inches maximum
- Keyway Width
- 0.125 inches nominal
- Unthreaded Portion Length
- 0.750 inches minimum and 0.840 inches maximum
- Mounting Hole Thread Direction
- right-hand
- Mounting Style
- bracket mtd w/three mtg holes, top hole threaded
- Environmental Protection
- corrosion resistant and fungus resistant
- Keyway Length
- 0.625 inches nominal
- Submersibility
- nonsubmersible
- Shaft Rotation Direction
- clockwise
- Distance From End To Keyway Center
- 0.900 inches nominal
- Thread Diameter
- 0.669 inches nominal
- Ground Polarity Type
- negative or positive
- Armature Minimum Speed In Rpm At Full Current Output
- 1900
- Maximum Output Current Rating In Amps
- 18.0
- Grounding Method
- external
- Shaft Drive End Style
- straight shaft end, threaded, w/keyway
- Distance Between Shaft Center And Bottom Mounting Hole Center
- 3.875 inches nominal
- Distance Between Shaft Center And Top Mounting Hole Center
- 3.500 inches nominal
- Angular Deviation Of First Hole From Top Center In Deg
- 193.0
- Angular Deviation Of Second Hole From First Hole In Deg
- 159.0
- Distance Between Inside Surfaces Of Hinge Bracket
- 7.243 inches minimum and 7.257 inches maximum
- Distance Between Outside Surfaces Of Hinge Bracket
- 8.123 inches minimum and 8.137 inches maximum
- Bottom Mounting Hole Diameter
- 0.453 inches nominal
- Thread Series
- uns
- Thread Class
- 2a
- Mounting Hole Thread Series Designator
- unc
- Mounting Hole Thread Diameter
- 0.375 inches nominal
- Mounting Hole Thread Quantity Per Inch
- 16
- Mounting Hole Thread Class
- 2b
- Thread Quantity Per Inch
- 20
- Voltage In Volts
- 24.0
- Fsc Application Data
- engineelectrical system,nonaircraft
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 2920-00-324-2979 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 1105980 | Engine Accessory Generator |
FAQs
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When the NSN 2920-00-643-4850 was assigned to the Federal Catalog?
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