The Protector,thermal-Overload,elect, cataloged under National Stock Number 6110-01-577-7300, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Rheinmetall Air Defence Ag. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6110-01-577-7300 |
| Primary Part Number | Q 5 3148 8337 |
| Item Name | Protector,thermal-Overload,elect |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Rheinmetall Air Defence Ag |
| 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 |
| Part Number | Manufacturer |
|---|---|
| Q 5 3148 8337 | Rheinmetall Air Defence Ag (CHE) |
| Reference | Meaning |
|---|---|
| M1 158 138 132 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6110-01-577-7300 is a Protector,thermal-Overload,elect, manufactured by Rheinmetall Air Defence Ag, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-577-7300 has 1 manufacturer part number on file: Q 5 3148 8337 (Rheinmetall Air Defence Ag).
Key specifications for Q 5 3148 8337: Special Features: PART NUMBER: M1: PART SERIES,158: TOP TEMPERATURE SETTING FARENHEIT;138: BOTTOM TEMPERATURE SETTING FARENHEIT;1: OPEN ON RISE,SILVER CONTACTS;3: TOP MOUNTING BRACKET;2: PLATING,COPPER/NICKEL;WEIGHT WITH BRACKET: 5.9 GRAMS;HERMETICALLY SEALED,VACUUM BACKED AND BACK-FILLED WITH DRY NITROGEN,SINGLE PLOE,SINGLE THROW,NORMALLY OPEN OR NORMALLY CLOSED,PRESET,NON-ADJUSTABLE CALIBRATION,HIGH VIBRATION AND SHOCK RESISTANCE G. 0 specifications are documented in the U.S. Government catalog.
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.