The Valve,expansion, cataloged under National Stock Number 4820-01-386-1841, 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 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-386-1841 |
| Primary Part Number | MVE42-CP100-1 1/8IN |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Valve Equalizer Location | EXTERNAL |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | SOCKET |
| Bulb Length | 4.000 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 | 504.0 |
| End Connection Quantity | 2 |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| Valve Evaporator Temp Range Designation | LOW |
| First End Outside Diameter Tube Accommodated | 1.125 INCHES NOMINAL IN |
| Material | IRON CAST BODY |
| Valve Expansion Control Type | THERMOSTATIC |
| Media for Which Designed | REFRIGERANT 22 |
| Valve Equalizer Connection Type | FLARED TUBE |
| Valve Pressure Limiting Device | NOT INCLUDED |
| Furnished Items | FILTER SCREEN |
| 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 |
|---|---|
| 330-J26-300 NO. 21 | Carrier Corp (USA) |
| MVE42-CP100-1 1/8IN PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| 330-J26-300 | D/9 Drawing number reference only Parker-Hannifin Corp Div Sporlan Division |
NSN 4820-01-386-1841 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-386-1841 has 2 manufacturer part numbers on file: 330-J26-300 NO. 21 (Carrier Corp), MVE42-CP100-1 1/8IN (Parker-Hannifin Corp Div Sporlan Division).
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-386-3281, 4130-01-387-1089, 4130-01-387-3105. Verify interchangeability with system specifications before substitution.
Key specifications for MVE42-CP100-1 1/8IN: Flow Control Device: POPPET; Valve Equalizer Location: EXTERNAL; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 19 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.