PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

439Valve,foot

Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton · NSN 4820-00-288-7349 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7349 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7349. Primary manufacturer part number: 439.
Features
  • Valve,foot — FSC 4820
  • First End Connection Type: THREADED INTERNAL PIPE
  • Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Material: COPPER ALLOY 836 FLOW CONTROL DEVICE
  • Renewable Seat Ring Type: THREADED
  • Material: COPPER ALLOY 836 SEAT
  • Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Flow Control Device construction
General Description

The Valve,foot, cataloged under National Stock Number 4820-00-288-7349, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-288-7349
Primary Part Number439
Item NameValve,foot
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSyltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton
StatusCANCELLED
First End Connection TypeTHREADED INTERNAL PIPE
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 836 FLOW CONTROL DEVICE
Renewable Seat Ring TypeTHREADED
MaterialCOPPER ALLOY 836 SEAT
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 836 BODY
First End Nominal Pipe Size Accommodated2.000 INCHES IN
Valve Loading Spring LocationINTERNAL
Body Outside Diameter2.850 INCHES NOMINAL IN
Flow Control DeviceDISK, LIFT
Body StyleCYLINDRICAL (SCREWED)
First End Style DesignatorPLAIN
Nondefinitive Spec/std Data2.000 SIZE
End Connection Quantity1
First End Thread DirectionRIGHT-HAND
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-158-72471228Y51 INTERCHANGEABLE
Bearing,roller,cylindrical
Meritor Heavy Vehicle Systems, Llc
4820-00-227-0154 INTERCHANGEABLE
Valve,foot
4820-00-227-0155 INTERCHANGEABLE
Valve,foot
4820-00-227-0156 INTERCHANGEABLE
Valve,foot
4820-00-227-0157 INTERCHANGEABLE
Valve,foot
2805-00-358-3353 INTERCHANGEABLE
Ring Set,piston
4820-00-369-2703389475PCJ3 INTERCHANGEABLE
Handle,valve
Naval Ship Systems Command
4510-00-415-1469 INTERCHANGEABLE
Holder,soap
6625-00-444-6170 INTERCHANGEABLE
Resistor,decade
3010-00-635-0440 INTERCHANGEABLE
Gearcase-Motor
Cross-Reference Index
Part NumberManufacturer
439 Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA)
MILV16720 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-158-7247INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1228Y51
4820-00-227-0154INTERCHANGEABLE
VALVE,FOOT
4820-00-227-0155INTERCHANGEABLE
VALVE,FOOT
4820-00-227-0156INTERCHANGEABLE
VALVE,FOOT
4820-00-227-0157INTERCHANGEABLE
VALVE,FOOT
2805-00-358-3353INTERCHANGEABLE
RING SET,PISTON
4820-00-369-2703INTERCHANGEABLE
HANDLE,VALVE
389475PCJ3
4510-00-415-1469INTERCHANGEABLE
HOLDER,SOAP
6625-00-444-6170INTERCHANGEABLE
RESISTOR,DECADE
3010-00-635-0440INTERCHANGEABLE
GEARCASE-MOTOR
4820-00-640-0304INTERCHANGEABLE
VALVE,FOOT
97-1-1-2
5330-00-972-2012INTERCHANGEABLE
GASKET
0420-0439

Frequently Asked Questions

What is NSN 4820-00-288-7349?

NSN 4820-00-288-7349 is a Valve,foot, manufactured by Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-288-7349?

NSN 4820-00-288-7349 has 2 cross-referenced part numbers: 439 (Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton), MILV16720 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-00-288-7349?

There are 12 known substitutes for 4820-00-288-7349: 3110-00-158-7247, 4820-00-227-0154, 4820-00-227-0155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 439?

Key specifications for 439: First End Connection Type: THREADED INTERNAL PIPE; Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material: COPPER ALLOY 836 FLOW CONTROL DEVICE; Renewable Seat Ring Type: THREADED. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-288-7349 still in active supply?

NSN 4820-00-288-7349 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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