The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-475-3663, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-475-3663 |
| Primary Part Number | Y797-ABIFE-1-1/2-CP60 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | ANGLE |
| First End Style Designator | GASKET SEAL |
| Bulb Length | 3.000 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Capillary Tube Length | 15.000 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Surface Treatment | PAINT OUTSIDE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Material | COPPER ALLOY BODY |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| Thread Size and Series/type Designator | 5/8-18 UNF FIRST END |
| Thread Size and Series/type Designator | 3/4-16 UNF SECOND END |
| 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 |
|---|---|
| Y797-ABIFE-1-1/2-CP60 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| A(S)1955 | D/9 Drawing number reference only Parker-Hannifin Corp Div Sporlan Division |
| B(S)1955 | D/9 Drawing number reference only Parker-Hannifin Corp Div Sporlan Division |
NSN 4820-01-475-3663 is a Valve,regulating,temperature, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-475-3663 has 1 manufacturer part number on file: Y797-ABIFE-1-1/2-CP60 (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for Y797-ABIFE-1-1/2-CP60: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: ANGLE; First End Style Designator: GASKET SEAL. 16 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.