The Lubricator,airline, cataloged under National Stock Number 4930-01-283-9754, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4930-01-283-9754 |
| Primary Part Number | 4ZL57 |
| Item Name | Lubricator,airline |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Line Connection Thread Size and Series/type Designator | 0.250-18 NPT |
| Bowl Capacity | 0.312 PINTS |
| Features Provided | BY-PASS VALVE |
| Bowl Material | PLASTIC |
| 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 |
|---|---|
| 4ZL57 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 2Z768 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
| 2Z768B | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4930-01-283-9754 is a Lubricator,airline, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-283-9754 has 1 manufacturer part number on file: 4ZL57 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 4ZL57: Overall Height: 4.437 INCHES NOMINAL IN; Line Connection Thread Size and Series/type Designator: 0.250-18 NPT; Bowl Capacity: 0.312 PINTS; Overall Width: 1.562 INCHES NOMINAL IN. 4 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.