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NSN 5925-01-299-0389, 5925012990389
CIRCUIT BREAKER

Federal Supply Classification
FSC 5925 - Circuit Breakers
National Item Identification Number
NIIN 012990389
Codification Country
United States
Item Name Code
INC 00136
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
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DLMS® Summary

National Stock Number 5925-01-299-0389

National Stock Number (NSN) 5925-01-299-0389, or NIIN 012990389, (circuit breaker) was assigned April 24, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7MC21V026N, SPE7M518P4145, SPE7M017V6041. The total value of the awarded contracts has been US$ 567.98.

This NSN is somewhat common among different platforms, belonging to 9 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 00136. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5925012990389 does not contain precious metals.

This NSN is associated to Schedule B 8536200040: automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.

This information was last updated on .


Technical Characteristics

FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
MAIN CONTACT TRIPPING MECHANISM TYPE
(CPRR) TRIP FREE
ACTUATOR FUNCTION
(CPRW) RESET
INTERNAL TRIP RELEASE CONFIGURATION
(CPSM) SERIES TRIP SINGLE LOCATION
OVERALL HEIGHT
(ABKW) 0.625 INCHES MAXIMUM
CASE MATERIAL
(ADTV) PLASTIC
CIRCUIT PROTECTION TYPE
(CPRH) OVERCURRENT SINGLE LOCATION
POLE QUANTITY
(AKPX) 1
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 250.0 AC SINGLE LOCATION AND 32.0 DC SINGLE LOCATION
BODY STYLE
(AAQL) RECTANGULAR DIMENSIONAL ENVELOPE
OVERALL LENGTH
(ABHP) 2.095 INCHES NOMINAL
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 3.0 AMPERES AC SINGLE LOCATION AND 3.0 AMPERES DC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT
(CPRN) 135.0 SINGLE LOCATION
OVERALL WIDTH
(ABMK) 0.760 INCHES MAXIMUM
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 2 CLIP
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 1000.0 AC SINGLE LOCATION AND 1000.0 DC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT
(CQWN) 2.200 MINIMUM AT 200 PCT SINGLE LOCATION AND 15.000 MAXIMUM AT 200 PCT SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED
(CQXF) GENERAL PURPOSE
ARC QUENCHING METHOD
(APNQ) AIR
MANUAL ACTUATOR TYPE AND QUANTITY
(CPRT) 1 PUSH BUTTON
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
UNPACKAGED UNIT WEIGHT
(PKWT) 0.350 OUNCES
TERMINAL TYPE AND QUANTITY
(TTQY) 2 QUICK DISCONNECT, MALE
STORAGE TYPE
(BBRG) GENERAL PURPOSE WAREHOUSE
TRIP RELEASE CHARACTERISTIC
(CPRL) TIME DELAY SINGLE LOCATION
ACTUATOR POSITION DESIGNATION
(CPRX) AT POLE ONE
FREQUENCY IN HERTZ
(FREQ) 50.0 SINGLE LOCATION OR 60.0 SINGLE LOCATION
TRIP RELEASE METHOD
(CPRJ) THERMAL SINGLE LOCATION
RESET METHOD
(CPRQ) MANUAL

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