The Cooler Unit,air, cataloged under National Stock Number 4130-01-431-4403, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4130-01-431-4403 |
| Primary Part Number | 1137-OO-C STH 120M |
| Item Name | Cooler Unit,air |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Phase | THREE FAN MOTOR |
| Frequency in Hertz | 60.0 FAN MOTOR |
| Case with Built-in Condensate Drain Pan | INCLUDED |
| Current Type | AC FAN MOTOR |
| Voltage in Volts | 460.0 FAN MOTOR |
| Prime Mover Horsepower Rating | 40.000 |
| 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 |
|---|---|
| 1137-OO-C STH 120M PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 1137-00-C STH 1 20M | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4130-01-431-4403 is a Cooler Unit,air, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-431-4403 has 1 manufacturer part number on file: 1137-OO-C STH 120M (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 1137-OO-C STH 120M: Phase: THREE FAN MOTOR; Frequency in Hertz: 60.0 FAN MOTOR; Case with Built-in Condensate Drain Pan: INCLUDED; Current Type: AC FAN MOTOR. 6 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.