The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-436-4501, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rotaryaire Compressor Corp. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-436-4501 |
| Primary Part Number | AL1110-140 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rotaryaire Compressor Corp |
| Status | ACTIVE |
| Two-Way Valve Action | DIRECT ACTING |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU Y |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Temp Rating | 140.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 3 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| Thermostatic Element | INTEGRAL W/VALVE |
| Material | ALUMINUM BODY |
| Thread Size and Series/type Designator | 0.750-14 NPT FIRST 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 |
|---|---|
| AL1110-140 PRIMARY | Rotaryaire Compressor Corp (USA) |
NSN 4820-01-436-4501 is a Valve,regulating,temperature, manufactured by Rotaryaire Compressor Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-436-4501 has 1 manufacturer part number on file: AL1110-140 (Rotaryaire Compressor Corp).
Key specifications for AL1110-140: Two-Way Valve Action: DIRECT ACTING; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU Y. 13 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.