PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2382881Circuit Breaker

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5925-00-989-9633 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-00-989-9633 — this item is cataloged by the U.S. Government under National Stock Number 5925-00-989-9633. Primary manufacturer part number: 2382881.
Features
  • Circuit Breaker — FSC 5925
  • Manual Actuator Type and Quantity: 1 TOGGLE
  • Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION
  • Frequency in Hertz: 60.0 SINGLE LOCATION
  • Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION
  • Trip Release Characteristic: INSTANTANEOUS AND TIME DELAY SINGLE LOCATION
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Ultimate Trip Time Per Pole in Seconds: 1.550 MINIMUM AND 7.000 MAXIMUM SINGLE LOCATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-00-989-9633, is classified within Federal Supply Class 5925 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-00-989-9633
Primary Part Number2382881
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Manual Actuator Type and Quantity1 TOGGLE
Internal Trip Release ConfigurationSERIES TRIP SINGLE LOCATION
Frequency in Hertz60.0 SINGLE LOCATION
Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent125.0 SINGLE LOCATION
Trip Release CharacteristicINSTANTANEOUS AND TIME DELAY SINGLE LOCATION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Ultimate Trip Time Per Pole in Seconds1.550 MINIMUM AND 7.000 MAXIMUM SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Actuator FunctionTRIP-RESET
Trip Delay Time in Seconds Per Rated Continuous Current0.350 MINIMUM AT 200 PCT AND 1.000 MAXIMUM AT 200 PCT SINGLE LOCATION
Terminal Type and Quantity2 SCREW
Operating Voltage Type and Rating Per Pole in Volts115.0 AC SINGLE LOCATION
Actuator Position DesignationAT POLE ONE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps2000.0 AC SINGLE LOCATION
Maximum Continuous Load Current Rating Per Pole150.0 MILLIAMPERES AC SINGLE LOCATION
Main Contact Tripping Mechanism TypeTRIP FREE
Reset MethodMANUAL
MaterialPLASTIC CASE
Trip Release MethodMAGNETIC SINGLE LOCATION
Nominal Thread Size0.138 INCHES IN
Mounting Facility Type and Quantity1 THREADED HOLE(S) AND 1 UNTHREADED HOLE(S)
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.375 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL IN
Center to Center Distance Between Terminals Parallel to Length2.375 INCHES NOMINAL IN
Thread Quantity Per Inch32
Boss Height0.125 INCHES NOMINAL IN
Pole Quantity1
Body StyleSINGLE POLE TYPE
Body Height2.656 INCHES NOMINAL IN
Body Width1.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-035-8769150P4 INTERCHANGEABLE
Contact,electrical
Otis Elevator Co Sub of United Technologies Corp
6520-01-272-60670131 INTERCHANGEABLE
Gingival Retraction Cord,dental
Ultradent Products Inc
6750-01-380-1106 INTERCHANGEABLE
Paper,photographic
Cross-Reference Index
Part NumberManufacturer
2382881 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
0131 Eaton Corp Heinemann Products Commercial Controls Div (USA)
Related Parts
5999-00-035-8769INTERCHANGEABLE
CONTACT,ELECTRICAL
150P4
6520-01-272-6067INTERCHANGEABLE
GINGIVAL RETRACTION CORD,DENTAL
0131
6750-01-380-1106INTERCHANGEABLE
PAPER,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5925-00-989-9633?

NSN 5925-00-989-9633 is a Circuit Breaker, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-00-989-9633?

NSN 5925-00-989-9633 has 2 cross-referenced part numbers: 2382881 (Lockheed Martin Corporation Div Rms - Mitchel Field), 0131 (Eaton Corp Heinemann Products Commercial Controls Div).

What NSN replaces 5925-00-989-9633?

There are 3 known substitutes for 5925-00-989-9633: 5999-00-035-8769, 6520-01-272-6067, 6750-01-380-1106. Verify interchangeability with system specifications before substitution.

What are the specifications of 2382881?

Key specifications for 2382881: Manual Actuator Type and Quantity: 1 TOGGLE; Internal Trip Release Configuration: SERIES TRIP SINGLE LOCATION; Frequency in Hertz: 60.0 SINGLE LOCATION; Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent: 125.0 SINGLE LOCATION. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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