The Circuit Breaker, cataloged under National Stock Number 5925-01-121-2221, 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 Cole Hersee Company. Government technical data includes 21 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-121-2221 |
| Primary Part Number | 30055-6 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — No Item Name Available |
| Manufacturer | Cole Hersee Company |
| Status | ACTIVE |
| Trip Release Ambient Temp Rating | 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC |
| Maximum Continuous Load Current Rating Per Pole | 6.0 AMPERES DC SINGLE LOCATION |
| Circuit Protection Type | OVERCURRENT SINGLE LOCATION |
| Operating Voltage Type and Rating Per Pole in Volts | 12.0 DC SINGLE LOCATION |
| Trip Release Characteristic | INSTANTANEOUS SINGLE LOCATION |
| Inclosure Protection Type for Which Designed | HERMETICALLY SEALED |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 1000.0 DC SINGLE LOCATION |
| Internal Trip Release Configuration | SERIES TRIP SINGLE LOCATION |
| Terminal Type and Quantity | 2 THREADED STUD |
| Trip Release Method | THERMAL SINGLE LOCATION |
| Reset Method | AUTOMATIC |
| Center to Center Distance Between Terminals Parallel to Length | 17.14 MILLIMETERS MINIMUM AND 17.27 MILLIMETERS MAXIMUM MM |
| Pole Quantity | 1 |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 39.62 MILLIMETERS NOMINAL MM |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Mounting Surface to Terminal End Distance | 34.97 MILLIMETERS NOMINAL MM |
| Body Style | SINGLE POLE TYPE |
| Ultimate Trip Rating of Continuous Current Rating Per Pole in Percent | 125.0 SINGLE LOCATION |
| Body Width | 19.81 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5925-01-121-2221 is a Circuit Breaker, manufactured by Cole Hersee Company, classified under FSC 5925 (No Item Name Available). Status: active.
NSN 5925-01-121-2221 has 2 cross-referenced part numbers: 30055-6 (Stinar, Llc), 30055-6 (Cole Hersee Company).
There are 5 known substitutes for 5925-01-121-2221: 4130-00-408-2690, 5320-00-447-0112, 5935-00-929-7854 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 30055-6: Trip Release Ambient Temp Rating: 25.0 CELSIUS NOMINAL SINGLE LOCATION DEGC; Maximum Continuous Load Current Rating Per Pole: 6.0 AMPERES DC SINGLE LOCATION; Circuit Protection Type: OVERCURRENT SINGLE LOCATION; Operating Voltage Type and Rating Per Pole in Volts: 12.0 DC SINGLE LOCATION. 22 total characteristics are documented in the Federal Logistics Information System.