PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F1G 407 3/4 INValve,globe

Lunkenheimer Co · NSN 4820-00-202-9103 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-202-9103 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-202-9103. Primary manufacturer part number: F1G 407 3/4 IN.
Features
  • Valve,globe — FSC 4820
  • Material Document and Classification: ASTM B371 ALLOY C699700ADQUDBP ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Features Provided: BONNET PACKING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Packing construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-202-9103, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-202-9103
Primary Part NumberF1G 407 3/4 IN
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLunkenheimer Co
StatusCANCELLED
Material Document and ClassificationASTM B371 ALLOY C699700ADQUDBP ASSN STD SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Furnished Items and Quantity1 HANDWHEEL
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.750 INCHES ALL ENDS IN
Features ProvidedBONNET PACKING
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodMANUAL
Flow Control DeviceNEEDLE
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
MaterialCOPPER ALLOY 697 STEM
Maximum Operating Temp550.0 FAHRENHEIT FIRST RESPONSE DEGF
Bonnet Attachment MethodUNION
Bonnet TypeINSIDE SCREW
MaterialCOPPER ALLOY 922 FLOW CONTROL DEVICE
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 37239, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Nominal Thread Size0.750 INCHES ALL ENDS IN
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 37239, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Material Document and ClassificationASTM B371 ALLOY C699700ADQUDBP ASSN STD SINGLE MATERIAL RESPONSE STEM
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialCOPPER ALLOY 922 BODY
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Furnished Items and Quantity1 HANDWHEEL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4820-00-287-2801 INTERCHANGEABLE
Valve,globe
4820-00-529-2609 INTERCHANGEABLE
Valve,globe
5961-01-291-5461R409 INTERCHANGEABLE
Rectifier,semiconductor Device
Micro Quality Semiconductor Inc Sub of Microsemi Corp
Cross-Reference Index
Part NumberManufacturer
F1G 407 3/4 IN Lunkenheimer Co (USA)
FIG407 Lunkenheimer Co (USA)
238 Lunkenheimer Co (USA)
743G-3/4 Jenkins Bros (USA)
743G Jenkins Bros (USA)
180 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
743C-.75IPS Jenkins Bros (USA)
R409 Conbraco Industries Inc R-P and C Valve Div (USA)
Related Parts
4820-00-287-2801INTERCHANGEABLE
VALVE,GLOBE
4820-00-529-2609INTERCHANGEABLE
VALVE,GLOBE
5961-01-291-5461INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
R409

Frequently Asked Questions

What is NSN 4820-00-202-9103?

NSN 4820-00-202-9103 is a Valve,globe, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-202-9103?

NSN 4820-00-202-9103 has 8 cross-referenced part numbers: F1G 407 3/4 IN (Lunkenheimer Co), FIG407 (Lunkenheimer Co), 238 (Lunkenheimer Co), 743G-3/4 (Jenkins Bros), 743G (Jenkins Bros) and 3 more.

What NSN replaces 4820-00-202-9103?

There are 3 known substitutes for 4820-00-202-9103: 4820-00-287-2801, 4820-00-529-2609, 5961-01-291-5461. Verify interchangeability with system specifications before substitution.

What are the specifications of F1G 407 3/4 IN?

Key specifications for F1G 407 3/4 IN: Material Document and Classification: ASTM B371 ALLOY C699700ADQUDBP ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING; Furnished Items and Quantity: 1 HANDWHEEL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-202-9103 still in active supply?

NSN 4820-00-202-9103 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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