Home » FSC Catalog » Circuit Breakers » 5925-00-449-0746

Circuit Breaker

SKU: 5925004490746 | Model: SM-C-583370
NSN 5925-00-449-0746 NSN 5925-00-449-0746

+0.3503/+0.3537" thread pitch diameters, single pole type body style, 0.360" bushing length, 1.448" body length, 0.567" body width

Specifications from the Manufacturer

Thread Pitch Diameters:
+0.3503/+0.3537 inches
Body Style:
Single pole type
Bushing Length:
0.360 inches minimum and 0.380 inches maximum
Body Length:
1.448 inches minimum and 1.510 inches maximum
Body Width:
0.567 inches minimum and 0.629 inches maximum
Case Material:
Center To Center Distance Between Terminals Parallel To Length:
0.870 inches minimum and 0.880 inches maximum
Fragility Factor:
Moderately rugged
Mounting Surface To Terminal End Distance:
1.524 inches minimum and 1.586 inches maximum
Pole Quantity:
Arc Quenching Method:
Magnetic blowout
Mounting Facility Type And Quantity:
1 threaded bushing w/panel seal
Storage Type:
General purpose warehouse
Special Handling Feature:
Thread Quantity Per Inch:
Maximum Continuous Load Current Rating Per Pole:
2.6 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:
1000.0 dc single location
Circuit Protection Type:
Overcurrent single location
Trip Release Method:
Magnetic single location
Trip Release Characteristic:
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent:
115.0 single location
Reset Method:
Main Contact Tripping Mechanism Type:
Trip free
Manual Actuator Type And Quantity:
1 toggle
Actuator Function:
Actuator Position Designation:
At pole one
Internal Trip Release Configuration:
Series trip single location
Nominal Thread Size:
0.375 inches
Trip Delay Time In Seconds Per Rated Continuous Current:
0.060 minimum at 200 pct single location and
Trip Delay Time In Seconds Per Rated Continuous Current:
0.600 maximum at 200 pct single location
Inclosure Protection Type For Which Designed:
Hermetically sealed and
Inclosure Protection Type For Which Designed:
Shock resistant and vibration resistant
Unpackaged Unit Weight:
1.800 ounces
Thread Series Designator:
Terminal Type And Quantity:
2 wire hook

Pricing and Availability

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NSN 5925-00-449-0746 Datasheet

Supply Class:


Cross Reference:

  • SM-C-583370
  • AP1-86-1
  • AP-1-1-51-262
  • SM3-2-6-50VDC

Cage Codes:

  • Us Army Communications & (CAGE 80063)
  • Sensata Technologies Maryland, Inc (CAGE 81541)
  • Eaton Corp (CAGE 74193)

Replaced or Cancelled:

5925-00-449-0746 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 004490746
NSN: 5925004490746
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Freight Codes:

NMF Desc: Circuit Breaker/switch Noi
NMFC: 061300
UFC: 34410
LTL: 77.5
WCC: Electrical appliances, small
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)
ASH: No special handling required.

Management Codes:

CTL: ------- (MOE: DS)
AAC: 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.
QUP: 1
SLC: 0

Reference Drawing:

[drawing of 5925-00-449-0746]

Schedule B & Trade:

8536200040 (NAICS 335313)
Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

Automatic circuit breakers for a voltage not exceeding 1,000 volts

End Use:

Electric apparatus

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5925-00-449-0746 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
New Zealand, Korea, Republic Of, Portugal, Turkey, and United States
How is national stock number 5925-00-449-0746 defined?
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.
What is the NIIN of NSN 5925-00-449-0746?
004490746 or 00-449-0746
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 5925004490746 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5925004490746?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 08, 1970