The Circuit Breaker Box, cataloged under National Stock Number 5925-01-217-3931, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Circuit Breaker Box |
| FSC / FSG | 5925 — Circuit Breakers (FSG 59) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 5925-01-217-3931 |
| Primary Part Number | 2A1-662 |
| Item Name | Circuit Breaker Box |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 2A1-662 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 812500 | C/1 Advisory reference — outside the item-of-supply concept Fabrication Dynamics, Inc. |
NSN 5925-01-217-3931 is a Circuit Breaker Box, manufactured by Lake Shore Systems, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-217-3931 has 1 manufacturer part number on file: 2A1-662 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-414-3309. Verify interchangeability with system specifications before substitution.
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.