PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MHC10-N-40A-10-2400Valve,safety Relief

Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division · NSN 4820-01-203-1209 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-203-1209 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-203-1209. Primary manufacturer part number: MHC10-N-40A-10-2400.
Features
  • Valve,safety Relief — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-203-1209, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (CAGE 78357); E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales (CAGE A00AM); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990)
Technical Specifications
ParameterValue
NSN4820-01-203-1209
Primary Part NumberMHC10-N-40A-10-2400
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-043-0447712010-031 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Div Rmd Strategic
3040-00-091-3294A7803 INTERCHANGEABLE
Disc,brake
Aerocontrolex Group, Inc. Div Talley Actuators
3455-00-240-731813220 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
1660-00-546-1798 INTERCHANGEABLE
Valve Assy,filler,l
3030-00-844-340922574MATCHED SET 3 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5905-00-948-70212325660 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5985-01-016-28757803 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Matrix Systems Corporation
5330-01-122-08337803 INTERCHANGEABLE
Gasket
Sentry Equipment Corp
4710-01-137-8050 INTERCHANGEABLE
Tube,bent,metallic
5915-01-245-61427803-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
L3harris Interstate Electronics Corporation
Cross-Reference Index
Part NumberManufacturer
MHC10-N-40A-10-2400 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
7803-1 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
7803 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
48100120031209 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
7803-1 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
Related Parts
5950-00-043-0447INTERCHANGEABLE
COIL,RADIO FREQUENCY
712010-031
3040-00-091-3294INTERCHANGEABLE
DISC,BRAKE
A7803
3455-00-240-7318INTERCHANGEABLE
CUTTER,MILLING,ANGLE
13220
1660-00-546-1798INTERCHANGEABLE
VALVE ASSY,FILLER,L
3030-00-844-3409INTERCHANGEABLE
BELT,V
22574MATCHED SET 3
5905-00-948-7021INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
2325660
5985-01-016-2875INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
7803
5330-01-122-0833INTERCHANGEABLE
GASKET
7803
4710-01-137-8050INTERCHANGEABLE
TUBE,BENT,METALLIC
5915-01-245-6142INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
7803-1
4730-01-257-8797INTERCHANGEABLE
SWING JOINT,MALE
5930-01-411-1464INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 4820-01-203-1209?

NSN 4820-01-203-1209 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-203-1209?

NSN 4820-01-203-1209 has 5 cross-referenced part numbers: MHC10-N-40A-10-2400 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 7803-1 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 7803 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 48100120031209 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 7803-1 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).

What NSN replaces 4820-01-203-1209?

There are 12 known substitutes for 4820-01-203-1209: 5950-00-043-0447, 3040-00-091-3294, 3455-00-240-7318 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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