PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404LFG1-8Valve,check

Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters · NSN 4820-00-353-9386 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-353-9386 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-353-9386. Primary manufacturer part number: 404LFG1-8.
Features
  • Valve,check — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
  • Thread Series Designator: NPT SECOND END
  • Media for Which Designed: OIL SECOND RESPONSEWATER, FRESH FIRST RESPONSE
  • Thread Quantity Per Inch: 27 SECOND END27 SECOND END
  • Thread Series Designator: NPT SECOND ENDNPT FIRST END
  • Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
  • Flow Control Device: BALLBALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Devicecopper Alloy Seat construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-353-9386, 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 Corporate Headquarters. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-353-9386
Primary Part Number404LFG1-8
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
Thread Series DesignatorNPT SECOND END
Media for Which DesignedOIL SECOND RESPONSEWATER, FRESH FIRST RESPONSE
Thread Quantity Per Inch27 SECOND END27 SECOND END
Thread Series DesignatorNPT SECOND ENDNPT FIRST END
Connection StylePLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
Flow Control DeviceBALLBALL
Mounting PositionHORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL
Nominal Thread Size0.125 INCHES FIRST END0.125 INCHES FIRST END IN
Nominal Pipe Size Accommodated0.125 INCHES SECOND END0.125 INCHES SECOND END IN
Connection StylePLAIN, OPTIONAL END (PIPE) FIRST ENDPLAIN, OPTIONAL END (PIPE) FIRST END
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICECOPPER ALLOY SEAT
Disk Loading MethodSPRINGSPRING
Maximum Operating Temp350.0 FAHRENHEIT SINGLE RESPONSE350.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedOIL SECOND RESPONSE
MaterialCOPPER ALLOY SEATCOPPER ALLOY BODY
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Connection TypeTHREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST ENDTHREADED INTERNAL PIPE FIRST END
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.125 INCHES SECOND END0.125 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.125 INCHES FIRST END0.125 INCHES FIRST END IN
Valve Operation MethodAUTOMATICAUTOMATIC
Thread DirectionRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3010-01-330-654868644 PIECE 112 INTERCHANGEABLE
Bellows,pressure
Naval Sea Systems Command
2090-01-352-0354R-K-51060 INTERCHANGEABLE
Repair Kit,inflatable Craft
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
5340-01-677-654568644 INTERCHANGEABLE
Cap,filler Opening
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
404LFG1-8 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
404LFG1-8 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
68644 Cummins Inc. (USA)
Related Parts
3010-01-330-6548INTERCHANGEABLE
BELLOWS,PRESSURE
68644 PIECE 112
2090-01-352-0354INTERCHANGEABLE
REPAIR KIT,INFLATABLE CRAFT
R-K-51060
5340-01-677-6545INTERCHANGEABLE
CAP,FILLER OPENING
68644

Frequently Asked Questions

What is NSN 4820-00-353-9386?

NSN 4820-00-353-9386 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-353-9386?

NSN 4820-00-353-9386 has 3 cross-referenced part numbers: 404LFG1-8 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 404LFG1-8 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 68644 (Cummins Inc.).

What NSN replaces 4820-00-353-9386?

There are 3 known substitutes for 4820-00-353-9386: 3010-01-330-6548, 2090-01-352-0354, 5340-01-677-6545. Verify interchangeability with system specifications before substitution.

What are the specifications of 404LFG1-8?

Key specifications for 404LFG1-8: Thread Direction: RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END; Thread Series Designator: NPT SECOND END; Media for Which Designed: OIL SECOND RESPONSEWATER, FRESH FIRST RESPONSE; Thread Quantity Per Inch: 27 SECOND END27 SECOND END. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com