NSN 5925-01-021-7237 M55629/1-078, M556291078, AM1012

Product Details | CIRCUIT BREAKER

5925-01-021-7237 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: M55629/1-078, M556291078, AM1012, AM10-12, AM1210A28VDC4, AM12-10A28VDC4 , AM12MG610A50VDCTDC4, AM12MG6-10A50VDCTDC4 , AM1B3A102, AM1-B3-A-10-2, AM1Z21078, AM1-Z21-078, G6128882, G612888-2, JA1B2A102, JA1-B2-A-10-2, MIL-C-55629/1, MILC556291, MIL-PRF-55629/1, MILPRF556291, UPL1152103, UPL-1-1-52-103, 74700200, 7470-0200 , 10101646101, 10101646-101, 1063008271, 10630082-71 , 131-210-101 , 5925-01-021-7237, 01-021-7237, 5925010217237, 010217237, 131210101

Electrical and Electronic Equipment Components | Circuit Breakers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
59	12 MAY 1976	01-021-7237	00136 ( CIRCUIT BREAKER )

Drawings & Photos | NSN 5925-01-021-7237

Part Number	Request Date	QTY	Origin
5925-01-021-7237	2022-12-335	43	DIBBS
5925-01-021-7237	2014-08-234	82	DIBBS
5925-01-021-7237	2011-09-249	92	DIBBS
5925-01-021-7237	2011-07-199	70	DIBBS
5925-01-021-7237	2010-05-141	83	DIBBS
5925-01-021-7237	2009-04-105	60	DIBBS
5925-01-021-7237	2008-11-316	71	DIBBS
5925-01-021-7237	2008-10-303	63	DIBBS
5925-01-021-7237	2007-07-198	66	DIBBS

Cross Reference | NSN 5925-01-021-7237

Part Number	Cage Code	Manufacturer
10101646-101	94580	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
10630082-71	18876	U S ARMY AVIATION AND MISSILE COMMAND
131-210-101	77342	TYCO ELECTRONICS CORPORATION
131-210-101	79405	WOOD ELECTRIC OPERATIONS POTTER AND BRUMFIELD DIV AMF INC
7470-0200	18014	AEROSPACE AMERICA INC
AM1-B3-A-10-2	82647	SENSATA TECHNOLOGIES, INC DIV SENSATA ATTLEBORO
AM1-Z21-078	74193	EATON CORP HEINEMANN PRODUCTS
AM10-12	74193	EATON CORP HEINEMANN PRODUCTS
AM12-10A28VDC4	74193	EATON CORP HEINEMANN PRODUCTS
AM12MG6-10A50VDCTDC4	74193	EATON CORP HEINEMANN PRODUCTS
G612888-2	06KW9	LUCENT TECHNOLOGIES INC DBA FEDERAL MARKETING GROUP
JA1-B2-A-10-2	74193	EATON CORP HEINEMANN PRODUCTS
JA1-B2-A-10-2	81541	SENSATA TECHNOLOGIES MARYLAND, INC
M55629/1-078	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-C-55629/1	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-55629/1	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
UPL-1-1-52-103	81541	SENSATA TECHNOLOGIES MARYLAND, INC

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Related Products | NSN 5925-01-021-7237

5925-01-021-7669, 5925-01-021-9001, 5925-01-021-9002, 5925-01-021-9196, 5925-01-021-9197

Technical Data | NSN 5925-01-021-7237

Characteristic	Specifications
POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	10.0 AMPERES DC SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	50.0 DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2000.0 DC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.600 MINIMUM AT 200 PCT AND 8.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
RESET METHOD	MANUAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
BODY STYLE	12A SINGLE POLE TYPE
BODY LENGTH	2.510 INCHES MAXIMUM
BODY WIDTH	0.730 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.660 INCHES MINIMUM AND 1.960 INCHES MAXIMUM
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.046 INCHES MINIMUM AND 2.078 INCHES MAXIMUM
BOSS HEIGHT	0.109 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.553 INCHES MAXIMUM
CASE MATERIAL	PLASTIC
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	MOISTURE RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
TEST DATA DOCUMENT	81349-MIL-C-55629 SPECIFICATION
SPECIFICATION/STANDARD DATA	81349-MIL-C-55629/1 GOVERNMENT SPECIFICATION
III ARC QUENCHING METHOD	MAGNETIC BLOWOUT
III STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
III SPECIAL HANDLING FEATURE	MAGNETIC
III FRAGILITY FACTOR	MODERATELY RUGGED
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-C-55629/1
MANUFACTURERS CODE	81349
DEFINITIVE GOVERNMENT SPEC/STD	M55629/1-078

Restrictions/Controls & Freight Information | NSN 5925-01-021-7237

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	P	There 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:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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.

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 5925-01-021-7237

Category	Code	Description
Materiel Category and Inventory Manager	Q	Electronics Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	Q	Avionics
Weapons Systems/End Item or Homogeneous Group	QK	ATC Support
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation Code	EH	SX:ELECTRONIC COMPONENTS
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Physical Category Code	1	Bin
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each