The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-351-1598, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wiggins Lift Co Inc. Government technical data includes 14 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 | 4820-01-351-1598 |
| Primary Part Number | 657126 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wiggins Lift Co Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | PLAIN |
| Temp Rating | 84.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 3 |
| Third End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED INTERNAL PIPE |
| Third End Connection Type | THREADED EXTERNAL PIPE |
| Third End Style Designator | PLAIN |
| Thread Size and Series/type Designator | 1/2-14 NPT FIRST END |
| Thread Size and Series/type Designator | 1/2-14 NPT THIRD END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-351-1598 is a Valve,regulating,temperature, manufactured by Wiggins Lift Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-351-1598 has 2 manufacturer part numbers on file: 820-8786 (Phillips and Temro Industries Div of Budd Co Inc), 657126 (Wiggins Lift Co Inc).
Key specifications for 657126: Flow Control Device: DISK; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: TEE. 14 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.