4B1N21D20AB

View detailed technical data, stock status, and sourcing information for: 4B1N21D20AB
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-01-205-2632

Item Name Code

00451

Assigment Date

04/07/1985 (41 years ago)

0.281 inches nominal unthreaded mounting hole diameter, 5.406 inches nominal overall height, 2.750 inches nominal body height, 2.812 inches nominal overall width, 5.188 inches nominal overall length

Product Characteristics

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

Overall Length: 5.188 inches nominal
Overall Height: 5.406 inches nominal
Overall Width: 2.812 inches nominal
Body Height: 2.750 inches nominal
Unthreaded Mounting Hole Diameter: 0.281 inches nominal
Distance Between Mounting Facility Centers: 5.250 inches nominal
Capillary Tube Length: 240.0 inches nominal
Bulb Length: 1.125 inches nominal
Bulb Diameter: 6.000 inches nominal
Temp Sensing Element Type: capillary tube-bulb
Mounting Method: bracket and unthreaded hole
Features Provided: electrical access port
Contact Action Stimulus: increase
Mounting Facility Pattern: two position in-line
Nonpile-Up Contact Arrangement: 1 pole, single throw, both positions maintained
Terminal Type: screw
Contact Load Current Rating: 0.3 amperes resistive load fifth voltage
Contact Load Current Rating: 0.5 amperes resistive load fourth voltage
Contact Load Current Rating: 15.0 amperes resistive load first voltage
Contact Load Current Rating: 15.0 amperes resistive load second voltage
Contact Load Current Rating: 15.0 amperes resistive load third voltage
Contact Adjustability: actuation point adjustable
Contact Adjustment Range: -20.00 to 100.00 actuation point degrees fahrenheit
Contact Adjustment Type: external actuation point screw
Contact Voltage Rating In Volts: 115.0 ac at sea level first voltage
Contact Voltage Rating In Volts: 115.0 dc at sea level third voltage
Contact Voltage Rating In Volts: 230.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 230.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts: 480.0 dc at sea level fifth voltage
Media For Which Designed: gas
Style Designator: rectangular

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
025-23523A	Thermostatic Switch
4B1N21D20AB	Thermostatic Switch

FAQs

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

What is the FSCG of the NSN 5930-01-205-2632?

The FSCG of the NSN 5930-01-205-2632 is 5930

Does the NSN 5930-01-205-2632 have a Schedule B code assigned?

Yes, the Schedule B code is 9032100000

Does NSN 5930-01-205-2632 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 5930-01-205-2632 contain precious materials?

Item does not contain precious metal.

Does NSN 5930-01-205-2632 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5930-01-205-2632 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Apr 7, 1985