The Valve,automatic Tempering, cataloged under National Stock Number 4820-01-528-1376, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Low Temp Industries, Inc. Dba Low Temp Industries Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-528-1376 |
| Primary Part Number | 519800 |
| Item Name | Valve,automatic Tempering |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Low Temp Industries, Inc. Dba Low Temp Industries Inc |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Temp Rating | 200.0 FAHRENHEIT DEGF |
| Usage Design | EXPOSED PIPE |
| Body Style | TEE GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS |
| End Connection Quantity | 3 |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Adjustability | ADJUSTABLE |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 519800 PRIMARY | Low Temp Industries, Inc. Dba Low Temp Industries Inc (USA) |
| 70-AT-1/2IN | Watts Regulator Company (USA) |
NSN 4820-01-528-1376 is a Valve,automatic Tempering, manufactured by Low Temp Industries, Inc. Dba Low Temp Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-528-1376 has 2 manufacturer part numbers on file: 519800 (Low Temp Industries, Inc. Dba Low Temp Industries Inc), 70-AT-1/2IN (Watts Regulator Company).
Key specifications for 519800: Flow Control Device: STEM AND INTEGRAL DISK; Temp Rating: 200.0 FAHRENHEIT DEGF; Usage Design: EXPOSED PIPE; Body Style: TEE GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS. 8 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.