C403741-21

View detailed technical data, stock status, and sourcing information for: C403741-21
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5930 Switches

National Stock Number

5930-00-660-5821

Item Name Code

00206

Assigment Date

01/01/1963 (63 years ago)

5.250 inches maximum overall length, 3.000 inches maximum overall width, watertight and dustproof hazardous locations/environmental protection, 5.031 inches nominal overall height, 0.250 inches nominal single connection inside diameter

Product Characteristics

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

Inside Diameter: 0.250 inches nominal single connection
Hazardous Locations/Environmental Protection: watertight and dustproof
Overall Length: 5.250 inches maximum
Overall Height: 5.031 inches nominal
Overall Width: 3.000 inches maximum
Body Height: 2.750 inches nominal
Unthreaded Mounting Hole Diameter: 0.281 inches nominal
Longest Horizontal Distance Between Mounting Centers: 2.406 inches nominal
Shortest Horizontal Distance Between Mounting Centers: 0.656 inches nominal
Longest Vertical Distance Between Mounting Centers: 3.281 inches nominal
Pressure Switch Type: gage
Operating Temp Rating: 66.0 fahrenheit maximum
Mounting Method: bracket and unthreaded hole
Features Provided: electrical access port
Contact Action Stimulus: increase
Proof Pressure: 200.00 pounds per square inch
Nominal Thread Size: 0.250 inches single pressure connection
Mounting Facility Pattern: isosceles triangle
Nonpile-Up Contact Arrangement: 1 pole, single throw, normally open, momentary action
Terminal Type: screw
Contact Load Current Rating: 3.2 amperes inductive load second voltage
Contact Load Current Rating: 9.6 amperes inductive load third voltage
Contact Load Current Rating: 16.0 amperes inductive load first voltage
Contact Load Current Rating: 2.0 amperes inductive load fourth voltage
Contact Adjustability: actuation point adjustable
Contact Adjustment Range: +10.00 to 180.00 actuation point pounds per square inch
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: 550.0 ac at sea level second voltage
Contact Voltage Rating In Volts: 550.0 dc at sea level fourth voltage
Pressure Connector Type: plain, threaded internal single connection
Media For Which Designed: gas or liquid
Precious Material And Location: contacts silver
Precious Material: silver
Style Designator: rectangular
Thread Series Designator: npt single pressure connection

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5930-00-605-7129	No Name Available	06/01/1983

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
222-10NB-6-2221060	Pressure Switch
C403741-21	Pressure Switch

FAQs

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

What is the FSCG of the NSN 5930-00-660-5821?

The FSCG of the NSN 5930-00-660-5821 is 5930

Does the NSN 5930-00-660-5821 have a Schedule B code assigned?

Yes, the Schedule B code is 8536509065

Does NSN 5930-00-660-5821 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 5930-00-660-5821 contain precious materials?

Item contains silver.

Does NSN 5930-00-660-5821 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 5930-00-660-5821 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963