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NSN 5925-00-063-8997, 5925000638997
Cancelled -> Replaced by 5925011624552

Federal Supply Classification
FSC 5925 - Circuit Breakers
National Item Identification Number
NIIN 000638997
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 5925-00-063-8997

National Stock Number (NSN) 5925-00-063-8997, or NIIN 000638997, (circuit breaker) was assigned June 22, 1967 in the Federal Logistics Information System (FLIS). NIIN 000638997 was cancelled on June 2, 2016, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5925014585096. This NSN replaces 1 stock number, 5925011624552.

There are 4 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been very little 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 01, 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 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 5925000638997 does not contain precious metals.

This information was last updated on .


Technical Characteristics

FEATURES PROVIDED
(CBBL) ADJUSTABLE TRIP RELEASE
TRIP RELEASE METHOD
(CPRJ) THERMAL-MAGNETIC ALL LOCATIONS
OVERALL HEIGHT
(ABKW) 4.125 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 4.875 INCHES NOMINAL
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED
(CQXF) GENERAL PURPOSE
FRAGILITY FACTOR
(AFJN) MODERATELY RUGGED
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS
(CPSF) +900.0/+1050.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 75.0 AMPERES AC ALL LOCATIONS AND 75.0 AMPERES DC ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 500.0 AC AND 250.0 DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 10000.0 AC ALL LOCATIONS AND 10000.0 DC ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT
(CQWN) 20.000 MINIMUM AT 600 PCT AND 32.000 MAXIMUM AT 600 PCT ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.190 INCHES NOMINAL
III SPECIAL HANDLING FEATURE
(BBRJ) MAGNETIC
MAIN CONTACT TRIPPING MECHANISM TYPE
(CPRR) TRIP FREE
TRIP RELEASE AMBIENT TEMP RATING
(CRCF) 50.0 DEG CELSIUS NOMINAL ALL LOCATIONS
POLE QUANTITY
(AKPX) 3
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 4 UNTHREADED HOLE
CIRCUIT PROTECTION TYPE
(CPRH) OVERCURRENT ALL LOCATIONS
ACTUATOR FUNCTION
(CPRW) TRIP-RESET
FREQUENCY IN HERTZ
(FREQ) 400.0 ALL LOCATIONS
ARC QUENCHING METHOD
(APNQ) AIR
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
(CPLM) 75.0 AMPERES AC AND 75.0 AMPERES DC ALL LOCATIONS
ACTUATOR POSITION DESIGNATION
(CPRX) AT POLE TWO
SPECIAL HANDLING FEATURE
(BBRJ) MAGNETIC
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS
(CPRG) 10000.0 AC AND 10000.0 DC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT
(CPRN) 145.0 ALL LOCATIONS
CASE MATERIAL
(ADTV) PLASTIC
III ARC QUENCHING METHOD
(APNQ) AIR
MANUAL ACTUATOR TYPE AND QUANTITY
(CPRT) 1 TOGGLE
TRIP RELEASE CHARACTERISTIC
(CPRL) TIME DELAY ALL LOCATIONS
RESET METHOD
(CPRQ) MANUAL
OVERALL LENGTH
(ABHP) 6.500 INCHES NOMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
(CPRF) 500.0 AC ALL LOCATIONS AND 250.0 DC ALL LOCATIONS
TERMINAL TYPE AND QUANTITY
(TTQY) 6 QUICK DISCONNECT, FEMALE

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