The Circuit Breaker, cataloged under National Stock Number 5925-01-644-4660, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Power T and D Co Inc Underground Distribution Transformer Div. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-644-4660 |
| Primary Part Number | T2S100TW |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Abb Power T and D Co Inc Underground Distribution Transformer Div |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Circuit Protection Type | OVERCURRENT ALL LOCATIONS |
| Pole Quantity | 3 |
| Maximum Continuous Load Current Rating Per Pole | 100.0 AMPERES AC ALL LOCATIONS |
| Actuator Function | TRIP-RESET |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Trip Release Method | THERMAL ALL LOCATIONS |
| 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 |
|---|---|
| T2S100TW PRIMARY | Abb Power T and D Co Inc Underground Distribution Transformer Div (USA) |
NSN 5925-01-644-4660 is a Circuit Breaker, manufactured by Abb Power T and D Co Inc Underground Distribution Transformer Div, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-644-4660 has 1 manufacturer part number on file: T2S100TW (Abb Power T and D Co Inc Underground Distribution Transformer Div).
Key specifications for T2S100TW: Reset Method: MANUAL; Overall Height: 5.12 INCHES NOMINAL IN; Body Style: RECTANGULAR DIMENSIONAL ENVELOPE; Circuit Protection Type: OVERCURRENT ALL LOCATIONS. 8 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.