The Valve,expansion, cataloged under National Stock Number 4820-01-436-9427, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-436-9427 |
| Primary Part Number | 134094 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| End Connection Quantity | 2 |
| Valve Expansion Control Type | THERMOSTATIC |
| 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 |
|---|---|
| 134094 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| PL9A001-01-C | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| SV 1 1/2-L2 | 3/9 Design control — primary reference Parker-Hannifin Corp Div Sporlan Division |
| PL9A001-01-C FIND 19 | 5/9 Secondary reference Parker-Hannifin Corp Div Sporlan Division |
NSN 4820-01-436-9427 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-436-9427 has 1 manufacturer part number on file: 134094 (Parker-Hannifin Corp Div Sporlan Division).
2 possible matches (shared part number, not a government interchangeability claim): 2935-01-463-8893, 5340-01-682-5595. Verify interchangeability with system specifications before substitution.
Key specifications for 134094: End Connection Quantity: 2; Special Features: LIQUID BYPASS; End Item Identification: WASP CLASS LHD; Valve Expansion Control Type: THERMOSTATIC. 2 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.