The Circuit Breaker, cataloged under National Stock Number 5925-01-717-0509, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Inc. Div Substation Automation & Protection. Government technical data includes 2 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-717-0509 |
| Primary Part Number | ST202M-C6 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Abb Inc. Div Substation Automation & Protection |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 277.0 AC ALL LOCATIONS |
| Pole Quantity | 2 |
| 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 |
|---|---|
| ST202M-C6 PRIMARY | Abb Inc. Div Substation Automation & Protection (USA) |
NSN 5925-01-717-0509 is a Circuit Breaker, manufactured by Abb Inc. Div Substation Automation & Protection, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-717-0509 has 1 manufacturer part number on file: ST202M-C6 (Abb Inc. Div Substation Automation & Protection).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-723-7670. Verify interchangeability with system specifications before substitution.
Key specifications for ST202M-C6: Operating Voltage Type and Rating Per Pole in Volts: 277.0 AC ALL LOCATIONS; Pole Quantity: 2; Part Name Assigned by Controlling Agency: MINIATURE CIRCUIT BREAKER. 2 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.