The Circuit Breaker, cataloged under National Stock Number 5925-01-439-4977, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Industrial Systems Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5925-01-439-4977 |
| Primary Part Number | XBG310203-X ITEM 6 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Abb Industrial Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| XBG310203-X ITEM 6 PRIMARY | Abb Industrial Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 861381013-05 | C/1 Advisory reference — outside the item-of-supply concept Abb Industrial Systems Inc |
NSN 5925-01-439-4977 is a Circuit Breaker, manufactured by Abb Industrial Systems Inc, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-439-4977 has 1 manufacturer part number on file: XBG310203-X ITEM 6 (Abb Industrial Systems Inc).
Key specifications for XBG310203-X ITEM 6: Pole Quantity: 2. 1 specification is 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.