The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-701-0823, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-701-0823 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Special Test Features | DESCRIPTION: REVERSE SCREENED LUBRICATION JETS GENERATE A STRAIGHT, WELL-DEFINED STREAM OF FLUID TO A PREDETERMINED TARGET WITH DIFFERENTIAL PRESSURES OF 10 TO 200 PSID; THESE UNITS ARE IDEAL FOR DIRECTING STREAMS OF LUBRICATING OIL AT CRITICAL BEARINGS, OR COOLING OIL AT MESHING GEARS, OR FUEL AT THE INSIDE OF VAPORIZING TUBES IN AIRCRAFT COMBUSTION CHAMBERS; THESE LUBRICATION JETS INTEGRATE A SAFETY SCREEN FOR ADDITIONAL PROTECTION AGAINST ROGUE PARTICLES IN THE REVERSE FLOW DIRECTION; REVERSE SCREENED LUBRICATION JETS ARE OFFERED WITH A + OR - 10% TOLERANCE AND AVAILABLE IN A LOHM RANGE FROM 550 TO 2,000 LOHMS |
| Outside Diameter | 0.187 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL PROVISIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JELA1803200D | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-701-0823 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-701-0823: Special Test Features: DESCRIPTION: REVERSE SCREENED LUBRICATION JETS GENERATE A STRAIGHT, WELL-DEFINED STREAM OF FLUID TO A PREDETERMINED TARGET WITH DIFFERENTIAL PRESSURES OF 10 TO 200 PSID; THESE UNITS ARE IDEAL FOR DIRECTING STREAMS OF LUBRICATING OIL AT CRITICAL BEARINGS, OR COOLING OIL AT MESHING GEARS, OR FUEL AT THE INSIDE OF VAPORIZING TUBES IN AIRCRAFT COMBUSTION CHAMBERS; THESE LUBRICATION JETS INTEGRATE A SAFETY SCREEN FOR ADDITIONAL PROTECTION AGAINST ROGUE PARTICLES IN THE REVERSE FLOW DIRECTION; REVERSE SCREENED LUBRICATION JETS ARE OFFERED WITH A + OR - 10% TOLERANCE AND AVAILABLE IN A LOHM RANGE FROM 550 TO 2,000 LOHMS; Outside Diameter: 0.187 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND ALL PROVISIONS; Special Features: ACCURATE, SOLID STREAM, LUBRICATING JET; TESTED FOR FLOW AND TARGET-HITTING ABILITY; INTEGRAL SAFETY SCREEN FOR PROTECTION IN THE REVERSE FLOW DIRECTION. 3 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.