The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-385-9060, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is H O Trerice Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-385-9060 |
| Primary Part Number | 91000-C-R01-12-A56 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | H O Trerice Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| Temp Rating | 300.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 3 |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| 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 |
|---|---|
| 91000-C-R01-12-A56 PRIMARY | H O Trerice Co (USA) |
| Reference | Meaning |
|---|---|
| 91000-A56 1.50IN | 3/9 Design control — primary reference H O Trerice Co |
| 91000-INA | 5/9 Secondary reference H O Trerice Co |
NSN 4820-01-385-9060 is a Valve,regulating,temperature, manufactured by H O Trerice Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-385-9060 has 1 manufacturer part number on file: 91000-C-R01-12-A56 (H O Trerice Co).
Key specifications for 91000-C-R01-12-A56: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: TEE; Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END. 10 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.