The Nozzle,spray,fluid-Emulsion, cataloged under National Stock Number 4730-01-540-4287, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-540-4287 |
| Primary Part Number | 521-7385128 PART F3 |
| Item Name | Nozzle,spray,fluid-Emulsion |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inlet Connection Type | THREADED |
| Material | COPPER ALLOY |
| Orifice Diameter | 0.250 INCHES NOMINAL IN |
| Inlet Connection Size | 0.500 |
| 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 |
|---|---|
| 521-7385128 PART F3 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7385128 | D/9 Drawing number reference only Naval Sea Systems Command |
| G651-3921 PART F3 | 5/1 Secondary reference U.S. Government activity |
| G651-3911- PART F3 | 5/2 Secondary reference U.S. Government activity |
| 521-7385129 PART F3 | 5/1 Secondary reference Naval Sea Systems Command |
| TF29-180-18 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-540-4287 is a Nozzle,spray,fluid-Emulsion, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-540-4287 has 1 manufacturer part number on file: 521-7385128 PART F3 (Naval Sea Systems Command).
Key specifications for 521-7385128 PART F3: Inlet Connection Type: THREADED; End Item Identification: SSGN TRIDENT CLASS PIPING SPRINKLERS INTERNAL ORDINANCE STARBOARD; Material: COPPER ALLOY; Orifice Diameter: 0.250 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.