PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MCV-1Valve,check

Clippard Instrument Laboratory Inc · NSN 4820-00-229-3364 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-229-3364 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-229-3364. Primary manufacturer part number: MCV-1.
Features
  • Valve,check — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST END
  • Thread Direction: RIGHT-HAND SECOND END
  • Flow Control Device: POPPET
  • Valve Operation Method: AUTOMATIC
  • Mounting Position: VERTICAL
  • Thread Class: 2A FIRST END A
  • Thread Class: 2B SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-229-3364, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clippard Instrument Laboratory Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-229-3364
Primary Part NumberMCV-1
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClippard Instrument Laboratory Inc
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST END
Thread DirectionRIGHT-HAND SECOND END
Flow Control DevicePOPPET
Valve Operation MethodAUTOMATIC
Mounting PositionVERTICAL
Thread Class2A FIRST END A
Thread Class2B SECOND END
Thread Series DesignatorUNEF FIRST END
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.313 INCHES FIRST END IN
Media for Which DesignedAIR FIRST RESPONSE
Furnished Items and Quantity1 WASHER
Nominal Outside Diameter Tube Accommodated0.125 INCHES SECOND END IN
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNEF SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED INTERNAL TUBE SECOND END
Nominal Thread Size0.313 INCHES SECOND END IN
Media for Which DesignedOIL, HYDRAULIC SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-104-193615002-1 INTERCHANGEABLE
Elbow,boss
Clippard Instrument Laboratory Inc
4730-00-276-959211752-2 INTERCHANGEABLE
Adapter,straight,tube to Hose
Clippard Instrument Laboratory Inc
4820-01-057-7252MSV-1 INTERCHANGEABLE
Valve,shuttle
Clippard Instrument Laboratory Inc
4730-01-126-172611923 INTERCHANGEABLE
Adapter,straight,tube to Boss
Clippard Instrument Laboratory Inc
4820-01-343-6736ETO-3M-24 INTERCHANGEABLE
Valve,pneumatic Tank
Clippard Instrument Laboratory Inc
Cross-Reference Index
Part NumberManufacturer
SB340 MOD3 D08 S B Services (pneumatics) Ltd (GBR)
3228404-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3228404 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MCV1 Desbois Botalam Industrie (FRA)
MCV-1 PRIMARY Clippard Instrument Laboratory Inc (USA)
007531403 Ministry of Defence (navy), Ship Support Agency, Naval Technical Publication Authority (GBR)
Related Parts
4730-00-104-1936INTERCHANGEABLE
ELBOW,BOSS
15002-1
4730-00-276-9592INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
11752-2
4820-01-057-7252INTERCHANGEABLE
VALVE,SHUTTLE
MSV-1
4730-01-126-1726INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
11923
4820-01-343-6736INTERCHANGEABLE
VALVE,PNEUMATIC TANK
ETO-3M-24

Frequently Asked Questions

What is NSN 4820-00-229-3364?

NSN 4820-00-229-3364 is a Valve,check, manufactured by Clippard Instrument Laboratory Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-229-3364?

NSN 4820-00-229-3364 has 6 cross-referenced part numbers: SB340 MOD3 D08 (S B Services (pneumatics) Ltd), 3228404-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3228404 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MCV1 (Desbois Botalam Industrie), MCV-1 (Clippard Instrument Laboratory Inc) and 1 more.

What NSN replaces 4820-00-229-3364?

There are 5 known substitutes for 4820-00-229-3364: 4730-00-104-1936, 4730-00-276-9592, 4820-01-057-7252 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MCV-1?

Key specifications for MCV-1: Thread Direction: RIGHT-HAND FIRST END; Thread Direction: RIGHT-HAND SECOND END; Flow Control Device: POPPET; Valve Operation Method: AUTOMATIC. 19 total characteristics are documented in the Federal Logistics Information System.

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