The Nozzle,spray,fluid-Emulsion, cataloged under National Stock Number 4730-01-421-1616, 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 Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-421-1616 |
| Primary Part Number | 2517883000 |
| Item Name | Nozzle,spray,fluid-Emulsion |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| Status | ACTIVE |
| Inlet Connection Type | THREADED |
| Media for Which Designed | WATER |
| Material | COPPER ALLOY |
| Inlet Connection Size | 1/8 |
| 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 |
|---|---|
| PL 2550473000 ITEM 5 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 3810661000 ITEM 35 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 2517883000 PRIMARY | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2550473000 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| 3810661000 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
NSN 4730-01-421-1616 is a Nozzle,spray,fluid-Emulsion, manufactured by Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-421-1616 has 3 manufacturer part numbers on file: PL 2550473000 ITEM 5 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 3810661000 ITEM 35 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 2517883000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-421-3412. Verify interchangeability with system specifications before substitution.
Key specifications for 2517883000: Inlet Connection Type: THREADED; Media for Which Designed: WATER; End Item Identification: MECHANICAL EQUIPMENT CO INC, COMPRESSOR WASH NOZZLE ASSEMBLY; 170' PATROL COASTAL (PC-1) CLASS SHIPS; Material: COPPER ALLOY. 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.