Product Details | CIRCUIT BREAKER

5925-01-512-8731 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.

Part Alternates: M39019/03-333S, M3901903333S, MIL-PRF-39019/03-333S, MIL-PRF-39019/3, MILPRF3901903333S, MILPRF390193, 1983140 ITEM 52, 1983140ITEM52, 5925-01-512-8731, 01-512-8731, 5925015128731, 015128731

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG) NSN Assign. NIIN
59 11 SEP 2003 01-512-8731

Drawings & Photos | NSN 5925-01-512-8731


Demand History | NSN 5925-01-512-8731

Part Number Request Date QTY Origin
M3901903333S 2014-05-129 1 US
MILPRF390193 2012-09-262 1 United States
5925-01-512-8731 2012-08-244 30 DIBBS
5925-01-512-8731 2012-03-69 30 DIBBS
5925-01-512-8731 2011-08-238 23 DIBBS
5925-01-512-8731 2010-10-280 73 DIBBS
5925-01-512-8731 2008-01-02 5 DIBBS

Cross Reference | NSN 5925-01-512-8731

Part Number Cage Code Manufacturer
1983140 ITEM 52 03956 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS
M39019/03-333S 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-39019/03-333S 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-39019/3 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5925-01-512-8731

Characteristic Specifications
POLE QUANTITY 2
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE 10.0 AMPERES AC AND 10.0 AMPERES DC ALL LOCATIONS
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS 50.0 DC AND 240.0 AC ALL LOCATIONS
FREQUENCY IN HERTZ 60.0 OR 400.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS 300.0 AC AND 500.0 DC ALL LOCATIONS
CIRCUIT PROTECTION TYPE OVERCURRENT ALL LOCATIONS
TRIP RELEASE METHOD MAGNETIC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION SERIES TRIP ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC TIME DELAY ALL LOCATIONS
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT 0.500 MINIMUM AT 200 PCT AND 9.000 MAXIMUM AT 200 PCT ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT 135.0 ALL LOCATIONS
ULTIMATE TRIP TIME PER POLE IN SECONDS 3.000 MINIMUM AND 60.000 MAXIMUM ALL LOCATIONS
RESET METHOD MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE TRIP FREE
BODY STYLE 1B MULTIPOLE-SINGLE ACTUATOR TYPE
BUSHING LENGTH 0.332 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
BODY LENGTH 1.562 INCHES MAXIMUM
BODY WIDTH 1.281 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH 0.906 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH 0.625 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.950 INCHES MAXIMUM
CASE MATERIAL METAL
MOUNTING FACILITY TYPE AND QUANTITY 1 THREADED BUSHING W/PANEL SEAL
THREAD SERIES DESIGNATOR UNEF
NOMINAL THREAD SIZE 0.375 INCHES
MANUAL ACTUATOR TYPE AND QUANTITY 1 TOGGLE
ACTUATOR FUNCTION TRIP-RESET
ACTUATOR POSITION DESIGNATION BETWEEN POLE ONE AND TWO
TERMINAL TYPE AND QUANTITY 4 TAB W/SCREW
FEATURES PROVIDED HIGH INRUSH PROTECTION
SPECIAL FEATURES 2 MOUNTING SCREWS TO ENHANCE VIBRATION RESISTANCE; CIRCUIT BREAKER FURNISHED WITH NONTURN DEVISE
TEST DATA DOCUMENT 81349-MIL-PRF-39019 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-PRF-39019/3 GOVERNMENT SPECIFICATION
III NONTURN DEVICE LOCATION AT 12 OCLOCK
III NONTURN DEVICE RADIUS 0.325 INCHES NOMINAL
III END ITEM IDENTIFICATION AFT STEERING UNIT
MANUFACTURERS CODE 81349

Restrictions/Controls & Freight Information | NSN 5925-01-512-8731

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; 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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061300 CIRCUIT BREAKER/SWITCH NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 658 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5925-01-512-8731

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each