The Valve,expansion, cataloged under National Stock Number 4820-00-941-9362, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-941-9362 |
| Primary Part Number | CPRH55H |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Flow Control Device | DISK, TOP GUIDED |
| Valve Equalizer Location | EXTERNAL |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS |
| First End Style Designator | PLAIN |
| Valve Equalizer Connection Diameter | 0.250 INCHES NOMINAL IN |
| Valve Pressure Limiting Device Range | 0.0 TO 80.0 THREADED MOUNTING SCREWS |
| End Connection Quantity | 2 |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 1.125 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Valve Expansion Control Type | PRESSURE |
| Media for Which Designed | REFRIGERANT 22 |
| Valve Equalizer Connection Type | FLARED TUBE |
| Valve Pressure Limiting Device | INCLUDED |
| Furnished Items | DETACHABLE DISTRIBUTOR |
| Adjustable Pressure Range | 0.0 TO 80.0 CAMERA MOUNT |
| 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 |
|---|---|
| 64A130D25-12 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| CPRH55H PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 787647A | 5/9 Secondary reference Air-a-Plane Corp |
| 64A130D25-12 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4820-00-941-9362 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-941-9362 has 2 manufacturer part numbers on file: 64A130D25-12 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), CPRH55H (Emerson Electric Co Alco Controls Div).
Key specifications for CPRH55H: Flow Control Device: DISK, TOP GUIDED; Valve Equalizer Location: EXTERNAL; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS. 18 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.