The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-687-2869, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-687-2869 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 12 |
| Third End Flange Outside Diameter | 10.00 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 10.0 INCHES NOMINAL IN |
| Second End Bolt Hole Quantity | 12 |
| Temp Rating | 66.0 CELSIUS MAXIMUM DEGC |
| First End Bolt Hole Diameter | 0.75 INCHES NOMINAL IN |
| End Connection Quantity | 1 |
| Valve Size | 4.0 INCHES IN |
| Mounting Facility | BOLTS |
| Second End Flange Shape Style | ROUND W/ BOLT HOLES |
| First End Connection Type | THREADED INTERNAL PIPE |
| Temp Adjustability | ADJUSTABLE |
| Second End Flange Outside Diameter | 10.0 INCHES NOMINAL IN |
| Third End Bolt Hole Quantity | 12 |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Third End Flange Shape Style | ROUND W/ BOLT HOLES |
| Third End Connection Type | THREADED INTERNAL PIPE |
| Material | STEEL BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Media for Which Designed | WATER |
| Second End Connection Type | THREADED INTERNAL PIPE |
| Third End Bolt Hole Diameter | 0.75 INCHES NOMINAL IN |
| Second End Bolt Hole Diameter | 0.75 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4B0RC12001-00-AA | 3/9 Design control — primary reference Amot Enterprises, Llc Dba Hosty Industrial Systems |
NSN 4820-01-687-2869 is a Valve,regulating,temperature, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-687-2869: First End Bolt Hole Quantity: 12; Third End Flange Outside Diameter: 10.00 INCHES NOMINAL IN; First End Flange Outside Diameter: 10.0 INCHES NOMINAL IN; Second End Bolt Hole Quantity: 12. 23 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.