The Valve,reversing, cataloged under National Stock Number 4810-01-042-0261, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-042-0261 |
| Primary Part Number | 401RD10F67 |
| Item Name | Valve,reversing |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| General Characteristics Item Description | SOLENOID PILOT OPERATED,WORKING PRESSURE 500.0 PSI,DISCHARGE PORT UNTHREADED EXTERNAL,OD 0.750 IN.,SUCTION AND 2 REVERSING PORTS UNTHREADED INTERNAL FOR SWEAT SOLDER FIT OF @0.875 IN. TUBE,ELECTRIC CHARACTERISTICS 120.0 VOLTS,60.0 HZ IN |
| 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 |
|---|---|
| 401RD10F67 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 4WE6-67 | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
NSN 4810-01-042-0261 is a Valve,reversing, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-042-0261 has 1 manufacturer part number on file: 401RD10F67 (Emerson Electric Co Alco Controls Div).
Key specifications for 401RD10F67: General Characteristics Item Description: SOLENOID PILOT OPERATED,WORKING PRESSURE 500.0 PSI,DISCHARGE PORT UNTHREADED EXTERNAL,OD 0.750 IN.,SUCTION AND 2 REVERSING PORTS UNTHREADED INTERNAL FOR SWEAT SOLDER FIT OF @0.875 IN. TUBE,ELECTRIC CHARACTERISTICS 120.0 VOLTS,60.0 HZ IN. 1 specification is 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.