The Drier,air-Gas,refri, cataloged under National Stock Number 4440-01-530-4899, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Johnson Controls, Inc Div Building Efficiency. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4440-01-530-4899 |
| Primary Part Number | A-4423-1 |
| Item Name | Drier,air-Gas,refri |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Manufacturer | Johnson Controls, Inc Div Building Efficiency |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 115.0 AC |
| Current Rating | 5.750 AMPERES |
| 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 |
|---|---|
| A-4423-1 PRIMARY | Johnson Controls, Inc Div Building Efficiency (USA) |
NSN 4440-01-530-4899 is a Drier,air-Gas,refri, manufactured by Johnson Controls, Inc Div Building Efficiency, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
NSN 4440-01-530-4899 has 1 manufacturer part number on file: A-4423-1 (Johnson Controls, Inc Div Building Efficiency).
Key specifications for A-4423-1: Voltage in Volts and Current Type: 115.0 AC; Special Features: USES R-134A REFRIGERANT; COALESCING OIL REMOVAL FILTER WITH INTEGRAL PRESSURE DROP INDICATOR; PACKED COLUMN TYPE ACTIVATED CARBON OIL VAPOR REMOVAL FILTER; SERVICE BYPASS VALVE; PRESSURE REDUCING VALVE; SAFETY RELIEF VALVE; POWER ON/FAIL LAMP A; Current Rating: 5.750 AMPERES. 2 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.