The Circuit Breaker, cataloged under National Stock Number 5925-01-478-7743, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Snap Action Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5925-01-478-7743 |
| Primary Part Number | VB3-A15-F33 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Snap Action Inc. |
| Status | ACTIVE |
| Reset Method | AUTOMATIC |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Body Style | RECTANGULAR DIMENSIONAL ENVELOPE |
| Pole Quantity | 4 |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 2 KNIFE BLADE |
| Trip Release Method | THERMAL SINGLE LOCATION |
| 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 |
|---|---|
| 12422440 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12422440 | Amz Alabama Inc. (USA) |
| VB3-A15-F33 PRIMARY | Snap Action Inc. (USA) |
| 12422440 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
NSN 5925-01-478-7743 is a Circuit Breaker, manufactured by Snap Action Inc., classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-478-7743 has 4 manufacturer part numbers on file: 12422440 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422440 (Amz Alabama Inc.), VB3-A15-F33 (Snap Action Inc.), 12422440 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for VB3-A15-F33: Reset Method: AUTOMATIC; Mounting Facility Type and Quantity: 2 TERMINAL; Body Style: RECTANGULAR DIMENSIONAL ENVELOPE; Pole Quantity: 4. 7 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.