The Cooler Unit,air, cataloged under National Stock Number 4130-01-284-3111, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-284-3111 |
| Primary Part Number | 87-D-1000 SZ21 TYIII |
| 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 |
| Nominal Capacity in Btu Per Hour | 31300.0 COOLING |
| Phase | THREE FAN MOTOR |
| Frequency in Hertz | 60.0 FAN MOTOR |
| Current Type | AC FAN MOTOR |
| Supplementary Features | SPECIFIC NSN RELATED TO GENERIC NSN 4130-01-228-3399 |
| Voltage in Volts | 440.0 FAN MOTOR |
| Prime Mover Horsepower Rating | 1.500 |
| Nondefinitive Spec/std Data | 21 SIZE AND III TYPE |
| Fan Type | CENTRIFUGAL |
| Material | STEEL CASE |
| Material | COPPER TUBE |
| Fan Drive Type | BELT |
| Cooling Medium | CHILLED WATER |
| 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 |
|---|---|
| 87-D-1000 SZ21 TYIII PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| MIL-A-23798 | 4/1 Identification reference U.S. Government activity |
| MIL-A-23798 SZ21 TYIII | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4130-01-284-3111 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 4130-01-284-3111 has 1 manufacturer part number on file: 87-D-1000 SZ21 TYIII (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 87-D-1000 SZ21 TYIII: Nominal Capacity in Btu Per Hour: 31300.0 COOLING; Phase: THREE FAN MOTOR; Frequency in Hertz: 60.0 FAN MOTOR; Current Type: AC FAN MOTOR. 13 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.