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NSN 5925-01-550-4950, 5925015504950
CIRCUIT BREAKER

Federal Supply Classification
FSC 5925 - Circuit Breakers
National Item Identification Number
NIIN 015504950
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 5925-01-550-4950

National Stock Number (NSN) 5925-01-550-4950, or NIIN 015504950, (circuit breaker) was assigned April 20, 2007 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M520V4541. The total value of the awarded contracts has been US$ 209.00.

This NSN is unique to one weapons system.

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 Feb 25, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 5925015504950 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

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH
(AEBY) 2.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH
(AEHA) 1.026 INCHES NOMINAL
END ITEM IDENTIFICATION
(AGAV) CONTROL CABINET ASSEMBLY
ACTUATOR FUNCTION
(CPRW) TRIP-RESET
BODY LENGTH
(ADAQ) 5.125 INCHES NOMINAL
BODY STYLE
(AAQL) MULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH
(ADAT) 3.138 INCHES NOMINAL
BOSS HEIGHT
(AJEC) 0.220 INCHES NOMINAL
CASE MATERIAL
(CWJK) PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH
(AEBP) 3.550 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH
(AEBQ) 1.026 INCHES NOMINAL
CIRCUIT PROTECTION TYPE
(CPRH) OVERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ
(FREQ) 50.0 OR 60.0 ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION
(CPSM) SERIES TRIP ALL LOCATIONS
NOMINAL THREAD SIZE
(CQJX) 0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 480.0 AC ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE
(CPRR) TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY
(CPRT) 1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 7.5 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 100.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 6 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE
(AJWX) 3.600 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) E SERIES HANDLE UL RECONGNIZED BACK CONNECTED CIRCUIT BREAKER
POLE QUANTITY
(AKPX) 3
RESET METHOD
(CPRQ) MANUAL
SPECIAL FEATURES
(FEAT) UL 1077/UL508 RECOGNIZED & CSA CERTIFIED; ACTUATOR IS BLACK WITH WHITE MARKING
THREAD SERIES DESIGNATOR
(THSD) UNC
TRIP RELEASE CHARACTERISTIC
(CPRL) TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD
(CPRJ) MAGNETIC-HYDRAULIC ALL LOCATIONS
TERMINAL TYPE AND QUANTITY
(TTQY) 6 THREADED STUD
FREQUENCY IN HERTZ
(FREQ) 50.0 ALL LOCATIONS OR 60.0 ALL LOCATIONS
CASE MATERIAL
(ADTV) PLASTIC
UNABLE TO DECODE
(ADTV) UNABLE TO DECODE

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