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NSN 5925-01-052-1205, 5925010521205
CIRCUIT BREAKER

Federal Supply Classification
FSC 5925 - Circuit Breakers
National Item Identification Number
NIIN 010521205
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 5925-01-052-1205

National Stock Number (NSN) 5925-01-052-1205, or NIIN 010521205, (circuit breaker) was assigned December 10, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M125P1022, SPE7M522P7557, SPE7M521P5186, SPE7M517P3413, SPE7M916V0847. The total value of the awarded contracts has been US$ 62,648.89.

This NSN is somewhat common among different platforms, belonging to 4 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 Dec 10, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 5925010521205 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

MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 2.0 AMPERES AC SINGLE LOCATION AND 2.0 AMPERES DC SINGLE LOCATION
UNABLE TO DECODE
(PKWT) UNABLE TO DECODE
UNPACKAGED UNIT WEIGHT
(PKWT) 0.090 POUNDS
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 25.0 DEG CELSIUS NOMINAL SINGLE LOCATION
CASE MATERIAL
(ADTV) PLASTIC
UNABLE TO DECODE
(ADTV) UNABLE TO DECODE
CASE MATERIAL
(CWJK) PLASTIC
ACTUATOR FUNCTION
(CPRW) TRIP-RESET
ACTUATOR POSITION DESIGNATION
(CPRX) AT POLE ONE
ARC QUENCHING METHOD
(APNQ) AIR
AUXILIARY SWITCH FUNCTION AND QUANTITY
(CPRZ) 1 ALARM
BODY LENGTH
(ADAQ) 0.880 INCHES MAXIMUM
BODY STYLE
(AAQL) SINGLE POLE TYPE
BODY WIDTH
(ADAT) 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
BUSHING LENGTH
(ABXD) 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH
(AEBP) 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
CIRCUIT PROTECTION TYPE
(CPRH) OVERCURRENT SINGLE LOCATION
FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
FREQUENCY IN HERTZ
(FREQ) 400.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED
(CQXF) DUSTPROOF AND SANDTIGHT AND CORROSION RESISTANT AND MOISTURE RESISTANT AND EXPLOSION PROOF
INTERNAL TRIP RELEASE CONFIGURATION
(CPSM) SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE
(CPRR) TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY
(CPRT) 1 PUSH-PULL
MATERIAL
(MATT) PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 2.0 AMPERES AC AND 2.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 3500.0 AC AND 6000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 1 THREADED BUSHING
MOUNTING SURFACE TO TERMINAL END DISTANCE
(AJWX) 1.630 INCHES MAXIMUM
NOMINAL THREAD SIZE
(CQJX) 0.438 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 120.0 AC AND 28.0 DC SINGLE LOCATION
POLE QUANTITY
(AKPX) 1
RESET METHOD
(CPRQ) MANUAL
STORAGE TYPE
(BBRG) GENERAL PURPOSE WAREHOUSE
SWITCH CONTACT ARRANGEMENT
(AEGJ) SINGLE POLE, DOUBLE THROW
SWITCH CURRENT RATING AND TYPE IN AMPS
(CSSX) 0.01 DC
SWITCH LOCATION AND POSITION DESIGNATION
(CQSM) INTERNAL AT POLE ONE
SWITCH TERMINAL TYPE
(CRTK) PIN
SWITCH VOLTAGE RATING AND TYPE IN VOLTS
(CSWP) 50.0 DC
TERMINAL TYPE AND QUANTITY
(TTQY) 2 TAB W/SCREW
THREAD SERIES DESIGNATOR
(THSD) UNS
THREAD QUANTITY PER INCH
(CMLP) 32
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC
(CPRL) TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD
(CPRJ) THERMAL SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT
(CQWN) 5.000 MINIMUM AT 200 PCT AND 50.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT
(CPRN) 150.0 SINGLE LOCATION
UNPACKAGED UNIT WEIGHT
(CTJS) 0.090 POUNDS NOMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 120.0 AC SINGLE LOCATION AND 28.0 DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 3500.0 AC SINGLE LOCATION AND 6000.0 DC SINGLE LOCATION

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