5925-01-018-4258

Find complete technical information, availability, and procurement data for: 5925-01-018-4258
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5925 Circuit Breakers

National Stock Number

5925-01-018-4258

Item Name Code

00136

Assigment Date

03/25/1976 (50 years ago)

"a device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes:circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller."

0.730 inches minimum and 0.780 inches maximum body width, 2.046 inches minimum and 2.078 inches maximum distance between centerlines of mounting facilities parallel to body length, 1.660 inches minimum and 1.960 inches maximum center to center distance between terminals parallel to length, single pole type body style, 2.510 inches maximum body length

Product Characteristics

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

Body Style: single pole type
Body Length: 2.510 inches maximum
Body Width: 0.730 inches minimum and 0.780 inches maximum
Center To Center Distance Between Terminals Parallel To Length: 1.660 inches minimum and 1.960 inches maximum
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length: 2.046 inches minimum and 2.078 inches maximum
Fragility Factor: moderately rugged
Boss Height: 0.109 inches minimum and 0.171 inches maximum
Mounting Surface To Terminal End Distance: 2.553 inches maximum
Pole Quantity: 1
Arc Quenching Method: magnetic blowout
Mounting Facility Type And Quantity: 2 threaded hole
Storage Type: general purpose warehouse
Special Handling Feature: magnetic
Thread Quantity Per Inch: 32
Maximum Continuous Load Current Rating Per Pole: 4.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts: 240.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps: 1000.0 ac single location
Circuit Protection Type: overcurrent single location
Trip Release Method: magnetic single location
Trip Release Characteristic: time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent: 150.0 single location
Reset Method: manual
Main Contact Tripping Mechanism Type: trip free
Manual Actuator Type And Quantity: 1 toggle
Actuator Function: trip-reset
Actuator Position Designation: at pole one
Internal Trip Release Configuration: series trip single location
Nominal Thread Size: 0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current: 2.100 minimum at 200 pct and 20.000 maximum at 200 pct single location
Inclosure Protection Type For Which Designed: moisture resistant and shock resistant and vibration resistant
Frequency In Hertz: 400.0 single location
Material: plastic case
Test Data Document: "81349-mil-c-55629 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unc
Terminal Type And Quantity: 2 threaded stud
Specification/Standard Data: 81349-mil-c-55629/1 government specification

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
M55629/1-040	Circuit Breaker

FAQs

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

What is the FSCG of the NSN 5925-01-018-4258?

The FSCG of the NSN 5925-01-018-4258 is 5925

Does the NSN 5925-01-018-4258 have a Schedule B code assigned?

Yes, the Schedule B code is 8536200040

Does NSN 5925-01-018-4258 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 5925-01-018-4258 contain precious materials?

Precious metal content is unknown

Does NSN 5925-01-018-4258 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 5925-01-018-4258 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Mar 25, 1976