PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-59 1/2 INValve,gate

Conbraco Industries Inc R-P and C Valve Div · NSN 4820-00-883-4554 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-883-4554 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-883-4554. Primary manufacturer part number: F-59 1/2 IN.
Features
  • Valve,gate — FSC 4820
  • Bonnet Attachment Method: BOLTED
  • Stem Type: RISING
  • Nominal Thread Size: 0.500 INCHES IN
  • Valve Operation Method: MANUAL
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 800.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT STEAM AND 850.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Uns K03504 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-883-4554, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Conbraco Industries Inc R-P and C Valve Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-883-4554
Primary Part NumberF-59 1/2 IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerConbraco Industries Inc R-P and C Valve Div
StatusCANCELLED
Bonnet Attachment MethodBOLTED
Stem TypeRISING
Nominal Thread Size0.500 INCHES IN
Valve Operation MethodMANUAL
Thread Series DesignatorNPT
Operating Pressure and Type800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 800.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Maximum Operating Temp and Media for Which Designed850.0 FAHRENHEIT STEAM AND 850.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF
Inlet Relationship with OutletIDENTICAL
Features ProvidedBONNET PACKING
Valve Size0.500 INCHES IN
MaterialSTEEL UNS K03504 BODY
Material Document and ClassificationASTM A743 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM
MaterialSTEEL COMP 410 SEAT
Bonnet TypeINSIDE SCREW
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialSTEEL COMP 416 STEM
Material Document and ClassificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialSTEEL COMP 420 DISK
Connection TypeTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6675-00-160-7458F-59 INTERCHANGEABLE
Sight,aligning
Chicago Steel Tape Co Inc Berger Instruments Co Inc
5950-00-581-2182191454 INTERCHANGEABLE
Reactor
Raytheon Company
3456-00-728-7653F59 INTERCHANGEABLE
Mandrel,roller Tube Expander
Babcock & Wilcox Co
5935-01-164-5618F-59 INTERCHANGEABLE
Connector,plug,electrical
General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
5120-01-586-3077 INTERCHANGEABLE
Round Die,1-2 in
Cross-Reference Index
Part NumberManufacturer
F-59 1/2 IN Conbraco Industries Inc R-P and C Valve Div (USA)
F59 Conbraco Industries Inc R-P and C Valve Div (USA)
Related Parts
6675-00-160-7458INTERCHANGEABLE
SIGHT,ALIGNING
F-59
5950-00-581-2182INTERCHANGEABLE
REACTOR
191454
3456-00-728-7653INTERCHANGEABLE
MANDREL,ROLLER TUBE EXPANDER
F59
5935-01-164-5618INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
F-59
5120-01-586-3077INTERCHANGEABLE
ROUND DIE,1-2 IN

Frequently Asked Questions

What is NSN 4820-00-883-4554?

NSN 4820-00-883-4554 is a Valve,gate, manufactured by Conbraco Industries Inc R-P and C Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-883-4554?

NSN 4820-00-883-4554 has 2 cross-referenced part numbers: F-59 1/2 IN (Conbraco Industries Inc R-P and C Valve Div), F59 (Conbraco Industries Inc R-P and C Valve Div).

What NSN replaces 4820-00-883-4554?

There are 5 known substitutes for 4820-00-883-4554: 6675-00-160-7458, 5950-00-581-2182, 3456-00-728-7653 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F-59 1/2 IN?

Key specifications for F-59 1/2 IN: Bonnet Attachment Method: BOLTED; Stem Type: RISING; Nominal Thread Size: 0.500 INCHES IN; Valve Operation Method: MANUAL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-883-4554 still in active supply?

NSN 4820-00-883-4554 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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