NSN 5925-01-644-0749 1742031, 17420-31 , 46498
Product Details | CIRCUIT BREAKER
5925-01-644-0749 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: 1742031, 17420-31 , 46498 , 5925-01-644-0749, 01-644-0749, 5925016440749, 016440749
Electrical and Electronic Equipment Components | Circuit Breakers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | 2015111 | 01-644-0749 | 00136 ( CIRCUIT BREAKER ) |
Demand History | NSN 5925-01-644-0749
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 17420-31 | 2025-08-219 | 172 | DIBBS |
| 46498 | 2025-08-219 | 172 | DIBBS |
| 17420-31 | 2019-04-115 | 23 | DIBBS |
| 46498 | 2019-04-115 | 23 | DIBBS |
| 5925-01-644-0749 | 2016-12-340 | 1 | DIBBS |
| 5925-01-644-0749 | 2016-06-180 | 1 | DIBBS |
| 5925-01-644-0749 | 2016-03-67 | 1 | DIBBS |
| 5925-01-644-0749 | 2016-02-56 | 1 | DIBBS |
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Technical Data | NSN 5925-01-644-0749
| Characteristic | Specifications |
|---|---|
| POLE QUANTITY | 1 |
| MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE | 20.0 AMPERES DC ALL LOCATIONS |
| OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS | 50.0 DC FIRST LOCATION |
| CIRCUIT PROTECTION TYPE | OVERCURRENT ALL LOCATIONS |
| RESET METHOD | MANUAL |
| BODY STYLE | SINGLE POLE TYPE |
| BUSHING LENGTH | 0.390 INCHES NOMINAL |
| BODY LENGTH | 0.890 INCHES NOMINAL |
| BODY WIDTH | 1.160 INCHES NOMINAL |
| MOUNTING SURFACE TO TERMINAL END DISTANCE | 1.370 INCHES NOMINAL |
| TERMINAL TYPE AND QUANTITY | 2 QUICK DISCONNECT, MALE |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | PANEL MOUNT CIRCUIT BREAKER |
Restrictions/Controls & Freight Information | NSN 5925-01-644-0749
| Category | Code | Description |
|---|---|---|
| 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. |
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents 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 |
|---|---|---|
| No Freight Information | ||
Management | NSN 5925-01-644-0749
Air Force
Navy| 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. |
| Price Validation | N | The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
|
| Materiel Management Aggregation Code | NV | TG:JOINT VERTICAL LIFT AIRCRAFT CV-22 (OSPREY) |
| 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 |
| 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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |