The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-313-8737, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-313-8737 |
| Primary Part Number | 42H100 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.500-14 NPT FIRST END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 42H100 | Siemens Moore Process Automation (GBR) |
| 42H100 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| Reference | Meaning |
|---|---|
| 3248AS219-1 | C/1 Advisory reference — outside the item-of-supply concept Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
NSN 4820-01-313-8737 is a Valve,regulating,fluid Pressure, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-313-8737 has 2 manufacturer part numbers on file: 42H100 (Siemens Moore Process Automation), 42H100 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
Key specifications for 42H100: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 16 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.