The Valve,expansion, cataloged under National Stock Number 4820-01-238-9781, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-238-9781 |
| Primary Part Number | XF-1 1/2-L2 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT |
| Valve Equalizer Location | INTERNAL |
| Temp Rating | 40.0 FAHRENHEIT DEGF |
| Temp Rating | 30.0 FAHRENHEIT DEGF |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Seat Angle in Deg | 37.0 |
| First End Style Designator | FLARED |
| Bulb Length | 3.000 INCHES NOMINAL IN |
| Bulb Diameter | 0.500 INCHES NOMINAL IN |
| Refrigeration Capacity in Btu Per Hour | 18.0 |
| End Connection Quantity | 2 |
| Capillary Tube Length | 30.000 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Valve Expansion Control Type | PRESSURE |
| Media for Which Designed | REFRIGERANT 12 |
| Valve Pressure Limiting Device | NOT INCLUDED |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| 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 |
|---|---|
| XF-1 1/2-L2 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| XF1-1/2-L2 3/8X1/2 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-238-9781 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-238-9781 has 1 manufacturer part number on file: XF-1 1/2-L2 (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for XF-1 1/2-L2: Flow Control Device: DISK, FLAT; Valve Equalizer Location: INTERNAL; Temp Rating: 40.0 FAHRENHEIT DEGF; Temp Rating: 30.0 FAHRENHEIT DEGF. 21 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 4820-01-238-9781 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.