The Circuit Breaker, cataloged under National Stock Number 5925-01-397-8520, 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 Distribution Switchgear. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5925-01-397-8520 |
| Primary Part Number | S201-K10 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Abb Inc. Div Distribution Switchgear |
| Status | ACTIVE |
| Operating Voltage Type and Rating Per Pole in Volts | 240.0 AC AND 60.0 DC FIRST LOCATION |
| Body Width | 17.5 MILLIMETERS NOMINAL MM |
| Body Height | 68.0 MILLIMETERS NOMINAL MM |
| Pole Quantity | 1 |
| Body Length | 90.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| S201-K10 PRIMARY | Abb Inc. Div Distribution Switchgear (USA) |
| Reference | Meaning |
|---|---|
| S271-K10 | 3/9 Design control — primary reference Abb Inc. Div Distribution Switchgear |
| S271-K10 | 5/9 Secondary reference Abb Inc. Div Substation Automation & Protection |
NSN 5925-01-397-8520 is a Circuit Breaker, manufactured by Abb Inc. Div Distribution Switchgear, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-397-8520 has 1 manufacturer part number on file: S201-K10 (Abb Inc. Div Distribution Switchgear).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-599-1891. Verify interchangeability with system specifications before substitution.
Key specifications for S201-K10: Operating Voltage Type and Rating Per Pole in Volts: 240.0 AC AND 60.0 DC FIRST LOCATION; Body Width: 17.5 MILLIMETERS NOMINAL MM; Body Height: 68.0 MILLIMETERS NOMINAL MM; Pole Quantity: 1. 5 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.