The Trap,steam, cataloged under National Stock Number 4730-01-521-7484, 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 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-521-7484 |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Design Type | CONTINUOUS FLOW |
| Inlet Connection Type | SOCKET WELDING |
| Maximum Steam Working Pressure | ERR-060 |
| Body Design | STRAIGHT HORIZONTAL PATTERN |
| Rated Capacity at Maximum Working Pressure | 35000.0 POUNDS OF WATER PER HOUR LBS |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING VALVE SEAT |
| Material | NICKEL ALLOY WORKING PARTS |
| Outlet Connection Type | SOCKET WELDING |
| 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 |
|---|---|
| 1/2-40D | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| 40D-1/2 | 5/9 Secondary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
| 928888-02 | 3/9 Design control — primary reference Pentair Valves & Controls Us Lp Div Pentair Flow Control |
NSN 4730-01-521-7484 is a Trap,steam, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-521-7484: Design Type: CONTINUOUS FLOW; Inlet Connection Type: SOCKET WELDING; Maximum Steam Working Pressure: ERR-060; Special Features: RATED TO 35000 LB/HR AT 600 PSI; .5 INCH INLET/OUTLET SOCKWELD LBS. 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.