The Valve,expansion, cataloged under National Stock Number 4820-01-414-1186, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-414-1186 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Equalizer Location | EXTERNAL |
| Body Style | STRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED |
| Bulb Length | 3.000 INCHES NOMINAL IN |
| Bulb Diameter | 0.750 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Capillary Tube Length | 60.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | DICHLORODIFLUOROMETHANE |
| Valve Equalizer Connection Type | FLARED TUBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 44725 | 7/2 Vendor item drawing reference U.S. Government activity |
| SE-ZUX100 | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Mobile Climate Systems Division Div Mobile Climate Systems Division |
NSN 4820-01-414-1186 is a Valve,expansion, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-414-1186: Valve Equalizer Location: EXTERNAL; Body Style: STRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED; Bulb Length: 3.000 INCHES NOMINAL IN; Bulb Diameter: 0.750 INCHES NOMINAL IN. 9 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.