PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

206C-1Valve,safety Relief

Kepner Products Co Div Kepner Products Company · NSN 4820-00-419-3034 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-419-3034 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-419-3034. Primary manufacturer part number: 206C-1.
Features
  • Valve,safety Relief — FSC 4820
  • Connection Style: PLAIN (PIPE) FIRST END
  • Valve Operation Method: AUTOMATIC
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Thread Series Designator: NPTF ALL ENDS
  • Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-419-3034, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kepner Products Co Div Kepner Products Company. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-419-3034
Primary Part Number206C-1
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKepner Products Co Div Kepner Products Company
StatusACTIVE
Connection StylePLAIN (PIPE) FIRST END
Valve Operation MethodAUTOMATIC
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL OVERALL
Nominal Thread Size0.250 INCHES ALL ENDS IN
Thread Series DesignatorNPTF ALL ENDS
Style DesignatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Surface TreatmentCADMIUM LOCATION NOT OTHERWISE SPECIFIED
Flow Control DevicePOPPET
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Media for Which DesignedAIR SECOND RESPONSE
Connection StylePLAIN,OPTIONAL END(PIPE) SECOND END
Media for Which DesignedFUEL/OIL, HYDROCARBON FIRST RESPONSE
Thread DirectionRIGHT-HAND ALL ENDS
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading MethodSPRING
Adjustable Pressure Range+1.0 TO 2.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedWATER, FRESH THIRD RESPONSE
Connection TypeTHREADED INTERNAL PIPE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2920-00-038-444712337168 INTERCHANGEABLE
Coil,ignition
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
206C-1 PRIMARY Kepner Products Co Div Kepner Products Company (USA)
Related Parts
2920-00-038-4447INTERCHANGEABLE
COIL,IGNITION
12337168

Frequently Asked Questions

What is NSN 4820-00-419-3034?

NSN 4820-00-419-3034 is a Valve,safety Relief, manufactured by Kepner Products Co Div Kepner Products Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-419-3034?

NSN 4820-00-419-3034 has 1 cross-referenced part number: 206C-1 (Kepner Products Co Div Kepner Products Company).

What NSN replaces 4820-00-419-3034?

There is 1 known substitute for 4820-00-419-3034: 2920-00-038-4447. Verify interchangeability with system specifications before substitution.

What are the specifications of 206C-1?

Key specifications for 206C-1: Connection Style: PLAIN (PIPE) FIRST END; Valve Operation Method: AUTOMATIC; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.

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