The Circuit Breaker,to,, cataloged under National Stock Number 4920-01-565-7921, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Texas Mgt Associates Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Circuit Breaker,to, |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Texas Mgt Associates Inc (CAGE 0RLV7) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-565-7921 |
| Primary Part Number | 77-0012 |
| Item Name | Circuit Breaker,to, |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Texas Mgt Associates Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 77-0012 PRIMARY | Texas Mgt Associates Inc (USA) |
NSN 4920-01-565-7921 is a Circuit Breaker,to,, manufactured by Texas Mgt Associates Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-565-7921 has 1 manufacturer part number on file: 77-0012 (Texas Mgt Associates Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4920-01-565-7921 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.