The Filter-Lubricator Assembly,airli, cataloged under National Stock Number 4930-01-294-4403, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4930-01-294-4403 |
| Primary Part Number | 401 |
| Item Name | Filter-Lubricator Assembly,airli |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Filtration Rating in Microns | 40.0 NOMINAL |
| Oil Reservoir Capacity | 6.75 OUNCES OZ |
| Design Type | THREE-PIECE AND TOTALLY ENCASED |
| Features Provided | AIR PRESSURE REGULATING VALVE AND MANUAL DRAIN AND SIGHT GLASS VISUAL INDICATOR AND KNOB HANDLE PRESSURE ADJUSTMENT DEVICE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Air Flow Rate | 115.0 CUBIC FEET PER MINUTE NOMINAL |
| 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 |
|---|---|
| RFL-401 | Hunt Valve Company, Inc. (USA) |
| 401 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 401 | 3/9 Design control — primary reference Hunt Valve Company, Inc. |
| ENDM63013-42 | 5/2 Secondary reference U.S. Government activity |
| RFL-401 | 5/9 Secondary reference Hunt Valve Company, Inc. |
NSN 4930-01-294-4403 is a Filter-Lubricator Assembly,airli, manufactured by Hunt Valve Company, Inc., classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-294-4403 has 2 manufacturer part numbers on file: RFL-401 (Hunt Valve Company, Inc.), 401 (Hunt Valve Company, Inc.).
Key specifications for 401: Filtration Rating in Microns: 40.0 NOMINAL; Oil Reservoir Capacity: 6.75 OUNCES OZ; Design Type: THREE-PIECE AND TOTALLY ENCASED; Features Provided: AIR PRESSURE REGULATING VALVE AND MANUAL DRAIN AND SIGHT GLASS VISUAL INDICATOR AND KNOB HANDLE PRESSURE ADJUSTMENT DEVICE. 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.