The Valve,expansion, cataloged under National Stock Number 4820-00-293-7645, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 30 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-293-7645 |
| Primary Part Number | MFE20 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 2 |
| Flow Control Device | DISK, BOTTOM GUIDED |
| Valve Equalizer Location | EXTERNAL |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 5.500 INCHES NOMINAL IN |
| First End Flange Thickness | 0.375 INCHES MINIMUM IN |
| First End Style Designator | PLAIN |
| Bulb Length | 4.000 INCHES NOMINAL IN |
| First End Flange Width | 3.000 INCHES NOMINAL IN |
| Bulb Diameter | 0.750 INCHES NOMINAL IN |
| Valve Equalizer Connection Diameter | 0.250 INCHES NOMINAL IN |
| Refrigeration Capacity in Btu Per Hour | 240.0 |
| First End Bolt Hole Diameter | 0.500 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 2.688 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Capillary Tube Length | 60.000 INCHES NOMINAL IN |
| First End Connection Type | PLAIN FACE FLANGE |
| Valve Evaporator Temp Range Designation | HIGH |
| First End Flange Shape Style | OVAL W/ BOLT HOLES |
| Bulb Media Type | REFRIGERANT 12 |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Expansion Control Type | THERMOSTATIC |
| First End Flange Length | 3.625 INCHES NOMINAL IN |
| Media for Which Designed | REFRIGERANT 12 |
| Valve Equalizer Connection Type | FLARED TUBE |
| Valve Pressure Limiting Device | NOT INCLUDED |
| 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 |
|---|---|
| MFE20 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
NSN 4820-00-293-7645 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-293-7645 has 1 manufacturer part number on file: MFE20 (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for MFE20: First End Bolt Hole Quantity: 2; Flow Control Device: DISK, BOTTOM GUIDED; Valve Equalizer Location: EXTERNAL; Second End Relationship with First End: IDENTICAL. 30 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.