Also searched as4820-01-437-9941 ·
4820014379941 ·
NIIN 014379941 ·
01-437-9941 ·
FSC 4820 Valves, Nonpowered
Nearby stock numbers← 4820-01-437-9877 Valve, Rotary, Selector
·
4820-01-437-9948 Parts Kit, Pressure Regulating VA →
4820-01-437-9941 — Valves, Nonpowered
Features
Valve,regulating,fluid Pressure — FSC 4820
Flow Control Device: POPPET
Remote Actuation Method: PISTON
Temp Rating: 175.0 FAHRENHEIT NOMINAL DEGF
Valve Loading Method: SPRING
Material: COPPER ALLOY BODY
Media for Which Designed: AIR
Maximum Inlet Pressure Rating: ERR-060
Identification
NSN: 4820-01-437-9941
NIIN: 014379941
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-437-9941, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
4820-01-437-9941
Item Name
Valve,regulating,fluid Pressure
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Flow Control Device
POPPET
Remote Actuation Method
PISTON
Temp Rating
175.0 FAHRENHEIT NOMINAL DEGF
Valve Loading Method
SPRING
Material
COPPER ALLOY BODY
Media for Which Designed
AIR
Maximum Inlet Pressure Rating
ERR-060
Filter
INCLUDED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
ME11120
3/9Design control — primary reference
Marine Engine Controls Inc Dba M E C I
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-437-9941?
NSN 4820-01-437-9941 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-01-437-9941?
Key specifications for 4820-01-437-9941: Flow Control Device: POPPET; Remote Actuation Method: PISTON; Temp Rating: 175.0 FAHRENHEIT NOMINAL DEGF; Valve Loading Method: SPRING. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-437-9941 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.