The Protector,thermal-Overload,elect, cataloged under National Stock Number 6110-01-196-9552, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Protector,thermal-Overload,elect |
| FSC / FSG | 6110 — Electrical Control Equipment (FSG 61) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 6110-01-196-9552 |
| Primary Part Number | 4W5277 |
| Item Name | Protector,thermal-Overload,elect |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 4W5277 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 40628601 | 3/9 Design control — primary reference Century Electric Inc |
| 3N7750 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
NSN 6110-01-196-9552 is a Protector,thermal-Overload,elect, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-196-9552 has 1 manufacturer part number on file: 4W5277 (Caterpillar Inc Div Caterpillar Defense).
No hazard code in the DLA record (HMIC N). 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.