The Circuit Breaker, cataloged under National Stock Number 5925-01-389-6136, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Inmark Corp. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-389-6136 |
| Primary Part Number | T13-212-20A |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Inmark Corp |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Operating Voltage Type and Rating Per Pole in Volts | 277.0 AC AND 28.0 DC SINGLE LOCATION |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Actuator Position Designation | AT POLE ONE |
| Switch Terminal Type | QUICK DISCONNECT, MALE |
| Body Style | SINGLE POLE TYPE |
| Switch Voltage Rating and Type in Volts | 277.0 AC AND 28.0 DC |
| Switch Location and Position Designation | INTERNAL AT POLE ONE |
| Body Width | 0.450 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Mounting Surface to Terminal End Distance | 2.130 INCHES NOMINAL IN |
| Maximum Interrupting Capacity Current Type and Rating Per Pole in Amps | 5000.0 AC SINGLE LOCATION |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Length | 1.220 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 1 PUSH BUTTON |
| Switch Current Rating and Type in Amps | 20.0 AC |
| Thread Quantity Per Inch | 27 |
| Trip Release Ambient Temp Rating | -40.0 CELSIUS MINIMUM AND 60.0 CELSIUS MAXIMUM SINGLE LOCATION DEGC |
| Terminal Type and Quantity | 2 QUICK DISCONNECT, MALE |
| Thread Series Designator | UNS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T13-212-20A PRIMARY | Inmark Corp (USA) |
| Reference | Meaning |
|---|---|
| 62828-90053-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5925-01-389-6136 is a Circuit Breaker, manufactured by Inmark Corp, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-389-6136 has 1 manufacturer part number on file: T13-212-20A (Inmark Corp).
Key specifications for T13-212-20A: Reset Method: MANUAL; Operating Voltage Type and Rating Per Pole in Volts: 277.0 AC AND 28.0 DC SINGLE LOCATION; Mounting Facility Type and Quantity: 1 THREADED BUSHING; Actuator Position Designation: AT POLE ONE. 20 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.