PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-9-3VValve,gate

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 4820-00-287-3193 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-3193 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-3193. Primary manufacturer part number: 3-9-3V.
Features
  • Valve,gate — FSC 4820
  • Valve Size: 1.000 INCHES IN
  • Material Document and Classification: ASTM A126 CLB ASSN STD SINGLE MATERIAL RESPONSE DISK
  • Bonnet Type: INSIDE SCREW
  • Stem Type: RISING
  • Inlet Relationship with Outlet: IDENTICAL
  • Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER, FRESH DEGF
  • Nominal Thread Size: 1.000 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast Uns F12102 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-287-3193, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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
NSN4820-00-287-3193
Primary Part Number3-9-3V
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusCANCELLED
Valve Size1.000 INCHES IN
Material Document and ClassificationASTM A126 CLB ASSN STD SINGLE MATERIAL RESPONSE DISK
Bonnet TypeINSIDE SCREW
Stem TypeRISING
Inlet Relationship with OutletIDENTICAL
Maximum Operating Temp and Media for Which Designed450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER, FRESH DEGF
Nominal Thread Size1.000 INCHES IN
Material Document and ClassificationASTM A126 CLB ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialIRON CAST UNS F12102 BODY
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 225.0 POUNDS PER SQUARE INCH (PSI) FRESH WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Series DesignatorNPT
Features ProvidedBONNET PACKING
Connection TypeTHREADED INTERNAL PIPE
Valve Operation MethodMANUAL
Bonnet Attachment MethodBOLTED
MaterialSTEEL STEM
MaterialIRON CAST UNS F12102 SEAT
Material Document and ClassificationASTM A126 CLB ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialIRON CAST UNS F12102 DISK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-036-1857 INTERCHANGEABLE
Top Housing Capsule
3110-00-108-3813G1108KLLB+COLFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3020-00-110-397240A-3210W INTERCHANGEABLE
Sprocket Wheel
Eriez Magnetics
5945-00-225-545340A INTERCHANGEABLE
Chopper,electronic
Sensata Technologies Maryland, Inc
5940-00-259-772916441 INTERCHANGEABLE
Terminal,stud
Prestolite Electric Inc
5330-00-349-814640A INTERCHANGEABLE
Gasket
Wakmann Watch Company Inc
5365-00-402-88551-64-41 INTERCHANGEABLE
Spacer,sleeve
Mission Systems Orchard Park Inc
5950-00-403-2536740890-101 INTERCHANGEABLE
Reactor
Lockheed Martin Corp
5360-00-419-032416441 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4820-00-428-30944027V4D INTERCHANGEABLE
Valve,gate
United Catalysts Inc
Cross-Reference Index
Part NumberManufacturer
P00723IT2 Naval Inventory Control Point Mechanicsburg (USA)
IR337-1IN Hammond Valve Corp (USA)
MDL40A Jenkins Bros (USA)
40A Jenkins Bros (USA)
1644SIZE1IN Lunkenheimer Co (USA)
0723IT2 Naval Inventory Control Point Mechanicsburg (USA)
3-9-3V PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
1644-1 Lunkenheimer Co (USA)
Related Parts
4820-00-036-1857INTERCHANGEABLE
TOP HOUSING CAPSULE
3110-00-108-3813INTERCHANGEABLE
BEARING,BALL,ANNULAR
G1108KLLB+COLFS381A
3020-00-110-3972INTERCHANGEABLE
SPROCKET WHEEL
40A-3210W
5945-00-225-5453INTERCHANGEABLE
CHOPPER,ELECTRONIC
40A
5940-00-259-7729INTERCHANGEABLE
TERMINAL,STUD
16441
5330-00-349-8146INTERCHANGEABLE
GASKET
40A
5365-00-402-8855INTERCHANGEABLE
SPACER,SLEEVE
1-64-41
5950-00-403-2536INTERCHANGEABLE
REACTOR
740890-101
5360-00-419-0324INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
16441
4820-00-428-3094INTERCHANGEABLE
VALVE,GATE
4027V4D
5120-00-449-8141INTERCHANGEABLE
WRENCH,OPEN END
6240-00-797-9000INTERCHANGEABLE
LAMP,INCANDESCENT
40A115V

Frequently Asked Questions

What is NSN 4820-00-287-3193?

NSN 4820-00-287-3193 is a Valve,gate, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-3193?

NSN 4820-00-287-3193 has 8 cross-referenced part numbers: P00723IT2 (Naval Inventory Control Point Mechanicsburg), IR337-1IN (Hammond Valve Corp), MDL40A (Jenkins Bros), 40A (Jenkins Bros), 1644SIZE1IN (Lunkenheimer Co) and 3 more.

What NSN replaces 4820-00-287-3193?

There are 12 known substitutes for 4820-00-287-3193: 4820-00-036-1857, 3110-00-108-3813, 3020-00-110-3972 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-9-3V?

Key specifications for 3-9-3V: Valve Size: 1.000 INCHES IN; Material Document and Classification: ASTM A126 CLB ASSN STD SINGLE MATERIAL RESPONSE DISK; Bonnet Type: INSIDE SCREW; Stem Type: RISING. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-3193 still in active supply?

NSN 4820-00-287-3193 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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