VBX4221A

View detailed technical data, stock status, and sourcing information for: VBX4221A

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VBX4221A
Federal Supply Group
Engine Accessories
National Stock Number
2920-00-730-9211
Item Name Code
17169
Assigment Date
02/21/1968 (58 years ago)

1.250 inches nominal distance between holes along length, 0.194 inches nominal mounting hole diameter, 4 terminal quantity, two hole mounting style, screw terminal type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Terminal Quantity
4
Terminal Type
screw
Mounting Hole Diameter
0.194 inches nominal
Mounting Style
two hole
Distance Between Holes Along Length
1.250 inches nominal
Shock Mount
not provided
Radio Interference Shielding
not provided
Output Voltage Rating In Volts
13.9 minimum and 14.3 maximum
System Voltage Rating
12.0
System Ground Polarity
negative or positive
Voltage Regulator Unit Type
wire wound coil
Voltage Regulator Unit Quantity
2
Circuit Control Device Type
circuit breaker
Cut-In Voltage Rating
12.3 minimum and 13.3 maximum
Cutout Voltage Rating
9.0 minimum and 10.0 maximum
Reverse Current Overload Circuit Breaker
not included
Field Relay Unit
not included
Terminal Encasement
encased
Conduit Connection Quantity
2

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
VBX4221A Engine Generator Regulator
VR248 Engine Generator Regulator

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2920-00-730-9211?
The FSCG of the NSN 2920-00-730-9211 is 2920
Does the NSN 2920-00-730-9211 have a Schedule B code assigned?
Yes, the Schedule B code is 8511802000
Does NSN 2920-00-730-9211 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 2920-00-730-9211 contain precious materials?
Precious metal content is unknown
Does NSN 2920-00-730-9211 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 2920-00-730-9211 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Feb 21, 1968

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