The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-079-5970, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sterling Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-079-5970 |
| Primary Part Number | R152F |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sterling Inc |
| Status | ACTIVE |
| Flow Control Device | DISK, BOTTOM GUIDED |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | OPTIONAL END |
| Bulb Length | 6.375 INCHES NOMINAL IN |
| Bulb Diameter | 0.625 INCHES NOMINAL IN |
| Temp Rating | 60.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Capillary Tube Length | 72.000 INCHES NOMINAL IN |
| Temp Adjustability | NOT ADJUSTABLE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | COPPER ALLOY BULB |
| Material | STEEL CORROSION RESISTING STEM |
| Thread Size and Series/type Designator | 1-11-1/2 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 |
|---|---|
| R152F PRIMARY | Sterling Inc (USA) |
| Reference | Meaning |
|---|---|
| R152E | 5/9 Secondary reference Sterling Inc |
NSN 4820-00-079-5970 is a Valve,regulating,temperature, manufactured by Sterling Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-079-5970 has 1 manufacturer part number on file: R152F (Sterling Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-554-8071. Verify interchangeability with system specifications before substitution.
Key specifications for R152F: Flow Control Device: DISK, BOTTOM GUIDED; Two-Way Valve Action: REVERSE ACTING; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 18 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.