The Valve,solenoid, cataloged under National Stock Number 4810-01-239-4221, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Curtiss-Wright Controls Integrated Sensing, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-239-4221 |
| Primary Part Number | 7966-1 |
| Item Name | Valve,solenoid |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Curtiss-Wright Controls Integrated Sensing, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7966-1 PRIMARY | Curtiss-Wright Controls Integrated Sensing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7-217221625-7 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| 110400-1 | 5/9 Secondary reference New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc |
| 7-217221625-7 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-217221625-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 4810-01-239-4221 is a Valve,solenoid, manufactured by Curtiss-Wright Controls Integrated Sensing, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-239-4221 has 1 manufacturer part number on file: 7966-1 (Curtiss-Wright Controls Integrated Sensing, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4520-01-286-8560, 5935-01-414-7668, 1680-01-500-9241. Verify interchangeability with system specifications before substitution.
Key specifications for 7966-1: Special Features: HUDRAULIC DIRECTIONAL CONTROL VALVE CONSISTS OF A SOLENOID OPERATED NON-INTERFLOW 2 POSITION 3 WAY NORMALLY CLOSED VALVE,VALVE MAY BE DIRECT ACTINGOR INTERNALLY PILOT OPERATED;SPECS MIL-H-5440 AND MIL-H-8775 TYPE II CLASS 3000 PSI SYSTEMS APPLY;FLUID IAW MIL-H-83282 AND MIL-H-5606;OPERATING PRESSURE 0 TO 3000 PSI TO CLOSE,500 TO 3000 TO OPEN;DESIGN TEMPERATURE LIMITS SHALL BE -65 DEG F TO +275 DEG F IN ACCORDANCE WITH MIL-H-5440 CLASS II,BELOW- 25 DEG F MIL-H-5606 FLUID WILL BE USEDAS PART OF THE COLD KIT;7 PORTS IAW MS33649;FLOW SHALL NOT BE LESS THAN 3.5 GPM AT A PRESSURE DROP OF 50 PSI;LIFE TEST 20,000 CYCLES MIL-H-8775;VALVE SHALL BE DESIGNED TO PERMIT MAINT FREE OPERATION LIMITED ONLY BY AGE MIL-STD-1523;VALVE ASSY SHALL WEIGH NOT MORE THAN 2.0 LB DRY LBS; End Item Identification: 1520-01-106-9519. 0 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.
NSN 4810-01-239-4221 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.