PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5448Circuit Breaker

Electro Arc Manufacturing Co. Div Ames Hardness Testers · NSN 5925-01-620-0940 · FSC 5925 · No Item Name Available
Verified by PartsTable
NSN 5925-01-620-0940 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-620-0940. Primary manufacturer part number: 5448.
Features
  • Circuit Breaker — FSC 5925
  • Trip Release Method: SOLID STATE ALL LOCATIONS
  • Actuator Function: TRIP-RESET
  • Frequency in Hertz: 60.0 ALL LOCATIONS
  • Terminal Type and Quantity: 2 SCREW
  • Reset Method: MANUAL
  • Trip Delay Time in Seconds Per Rated Continuous Current: 120.0 MAXIMUM AT 125 PCT ALL LOCATIONS
  • Material: PLASTIC CASE
Applications
  • Applications requiring Plastic Case construction
General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-620-0940, 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 Electro Arc Manufacturing Co. Div Ames Hardness Testers. Government technical data includes 16 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5925-01-620-0940
Primary Part Number5448
Item NameCircuit Breaker
FSC / FSG5925 / 59 — No Item Name Available
ManufacturerElectro Arc Manufacturing Co. Div Ames Hardness Testers
StatusACTIVE
Trip Release MethodSOLID STATE ALL LOCATIONS
Actuator FunctionTRIP-RESET
Frequency in Hertz60.0 ALL LOCATIONS
Terminal Type and Quantity2 SCREW
Reset MethodMANUAL
Trip Delay Time in Seconds Per Rated Continuous Current120.0 MAXIMUM AT 125 PCT ALL LOCATIONS
MaterialPLASTIC CASE
Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps100.0 AC ALL LOCATIONS
Body Length5.80 INCHES NOMINAL IN
Body StyleSINGLE POLE TYPE
Body Width2.072 INCHES NOMINAL IN
Body Height2.610 INCHES NOMINAL IN
Boss Height0.700 INCHES NOMINAL IN
Pole Quantity2
Main Contact Tripping Mechanism TypeNONTRIP FREE
Circuit Protection TypeOVERCURRENT ALL LOCATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6145-00-409-5966 INTERCHANGEABLE
Cable,special Purpose,electrical
4820-00-469-8449 INTERCHANGEABLE
Disk,valve
3120-00-474-3504 INTERCHANGEABLE
Bushing,sleeve
6810-00-912-47665448 INTERCHANGEABLE
Ion Exchange Compound
Sybron Chemicals Inc.
4730-00-921-3243SAE J512 8 010111B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5120-01-428-4782 INTERCHANGEABLE
Socket,socket Wrench
5950-01-446-923711472160-1 INTERCHANGEABLE
Transformer,current
Us Army Aviation and Missile Command
6150-01-630-06365448 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Monoprice Inc.
Cross-Reference Index
Part NumberManufacturer
5448 Electro Arc Manufacturing Co. Div Ames Hardness Testers (USA)
219-2-1-62F-8-8-50 Sensata Technologies Maryland, Inc (USA)
Related Parts
6145-00-409-5966INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
4820-00-469-8449INTERCHANGEABLE
DISK,VALVE
3120-00-474-3504INTERCHANGEABLE
BUSHING,SLEEVE
6810-00-912-4766INTERCHANGEABLE
ION EXCHANGE COMPOUND
5448
4730-00-921-3243INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 8 010111B
5120-01-428-4782INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-01-446-9237INTERCHANGEABLE
TRANSFORMER,CURRENT
11472160-1
6150-01-630-0636INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5448

Frequently Asked Questions

What is NSN 5925-01-620-0940?

NSN 5925-01-620-0940 is a Circuit Breaker, manufactured by Electro Arc Manufacturing Co. Div Ames Hardness Testers, classified under FSC 5925 (No Item Name Available). Status: active.

What are the part numbers for NSN 5925-01-620-0940?

NSN 5925-01-620-0940 has 2 cross-referenced part numbers: 5448 (Electro Arc Manufacturing Co. Div Ames Hardness Testers), 219-2-1-62F-8-8-50 (Sensata Technologies Maryland, Inc).

What NSN replaces 5925-01-620-0940?

There are 8 known substitutes for 5925-01-620-0940: 6145-00-409-5966, 4820-00-469-8449, 3120-00-474-3504 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5448?

Key specifications for 5448: Trip Release Method: SOLID STATE ALL LOCATIONS; Actuator Function: TRIP-RESET; Frequency in Hertz: 60.0 ALL LOCATIONS; Terminal Type and Quantity: 2 SCREW. 17 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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