The Manifold Assembly,hydraulic, cataloged under National Stock Number 4730-01-613-6403, 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 Fluid System Components, Inc. Div Fluid Systems Components. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-613-6403 |
| Primary Part Number | 4WMM10 |
| Item Name | Manifold Assembly,hydraulic |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fluid System Components, Inc. Div Fluid Systems Components |
| Status | ACTIVE |
| End Item Design Control Activity | 1ET59 |
| Connection Type | THREADED INTERNAL TUBE |
| End Connection Quantity | 4 |
| End Item Identification Designator | 4WMM10 |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES IN |
| Operating Pressure | 1250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Nominal Thread Size | 0.438 INCHES IN |
| Material | IRON |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| F082645 REV C IT NO.20 | Lake Shore Systems, Inc. (USA) |
| 4WMM10 PRIMARY | Fluid System Components, Inc. Div Fluid Systems Components (USA) |
| Reference | Meaning |
|---|---|
| F021888 | 7/2 Vendor item drawing reference Lake Shore Systems, Inc. |
NSN 4730-01-613-6403 is a Manifold Assembly,hydraulic, manufactured by Fluid System Components, Inc. Div Fluid Systems Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-613-6403 has 2 manufacturer part numbers on file: F082645 REV C IT NO.20 (Lake Shore Systems, Inc.), 4WMM10 (Fluid System Components, Inc. Div Fluid Systems Components).
Key specifications for 4WMM10: End Item Design Control Activity: 1ET59; Connection Type: THREADED INTERNAL TUBE; End Connection Quantity: 4; End Item Identification Designator: 4WMM10. 9 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.