The Nozzle,spray,fluid-Emulsion, cataloged under National Stock Number 4730-01-399-0831, 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 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-399-0831 |
| Item Name | Nozzle,spray,fluid-Emulsion |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Capacity at Specified Pressure Rating | 2.4GPM AT 400 PSI |
| Spray Type | FULL CONE |
| Inlet Thread Location | EXTERNAL |
| Spray Angle in Deg | 90.0 |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Inlet Connection Type | THREADED |
| Coverage Pattern Type | OVAL |
| Media for Which Designed | WATER |
| Material | STEEL CORROSION RESISTING |
| Orifice Diameter | 0.066 INCHES NOMINAL IN |
| Inlet Connection Size | 1/4 |
| 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 |
|---|---|
| P66 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-399-0831 is a Nozzle,spray,fluid-Emulsion, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5965-01-643-8470. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-399-0831: Flow Capacity at Specified Pressure Rating: 2.4GPM AT 400 PSI; Spray Type: FULL CONE; Inlet Thread Location: EXTERNAL; Spray Angle in Deg: 90.0. 11 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.