PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

I-239Valve,poppet,engine

Gould Inc Clevite Engine Parts Div · NSN 2805-00-362-0531 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-362-0531 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-362-0531. Primary manufacturer part number: I-239.
Features
  • Valve,poppet,engine — FSC 2805
  • Material: STEEL CORROSION RESISTING OVERALL
  • Carbon Relief Groove: NOT INCLUDED
  • First Groove Width: 0.1406 INCHES NOMINAL IN
  • Seat Angle in Deg: 37.0
  • Distance From Second Groove to Stem End: 0.9375 INCHES NOMINAL IN
  • Chamfer Angle in Deg: 90.0
  • Neck Radius: 0.5000 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Valve,poppet,engine, cataloged under National Stock Number 2805-00-362-0531, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Gould Inc Clevite Engine Parts Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-362-0531
Primary Part NumberI-239
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerGould Inc Clevite Engine Parts Div
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING OVERALL
Carbon Relief GrooveNOT INCLUDED
First Groove Width0.1406 INCHES NOMINAL IN
Seat Angle in Deg37.0
Distance From Second Groove to Stem End0.9375 INCHES NOMINAL IN
Chamfer Angle in Deg90.0
Neck Radius0.5000 INCHES NOMINAL IN
Stem Length6.5625 INCHES NOMINAL IN
Stem Diameter0.4970 INCHES NOMINAL IN
Second Groove Diameter0.4590 INCHES NOMINAL IN
Distance From First Groove to Stem End0.4688 INCHES NOMINAL IN
Head Height0.0938 INCHES NOMINAL IN
Chamfer Length0.0938 INCHES NOMINAL IN
Second Groove Width0.0312 INCHES NOMINAL IN
First Groove Diameter0.3650 INCHES NOMINAL IN
Outside Diameter2.1875 INCHES NOMINAL IN
Stem StyleDOUBLE GROOVED
Head StyleINVERTED CONE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5910-00-091-9546C1120 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cornell-Dubilier Marketing Inc
Cross-Reference Index
Part NumberManufacturer
I-239 Gould Inc Clevite Engine Parts Div (USA)
C1120 Diamond Reo Truck Co (USA)
R600I309 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
R600I309 Kersey / American Lafrance a Div of Figgie International Inc (USA)
ARLR600I309 Arlo Corporation (USA)
V1423N Mcquay-Norris Inc Oem Div an Skf Industries Co
V1812X Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5910-00-091-9546INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
C1120

Frequently Asked Questions

What is NSN 2805-00-362-0531?

NSN 2805-00-362-0531 is a Valve,poppet,engine, manufactured by Gould Inc Clevite Engine Parts Div, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-362-0531?

NSN 2805-00-362-0531 has 7 cross-referenced part numbers: I-239 (Gould Inc Clevite Engine Parts Div), C1120 (Diamond Reo Truck Co), R600I309 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), R600I309 (Kersey / American Lafrance a Div of Figgie International Inc), ARLR600I309 (Arlo Corporation) and 2 more.

What NSN replaces 2805-00-362-0531?

There is 1 known substitute for 2805-00-362-0531: 5910-00-091-9546. Verify interchangeability with system specifications before substitution.

What are the specifications of I-239?

Key specifications for I-239: Material: STEEL CORROSION RESISTING OVERALL; Carbon Relief Groove: NOT INCLUDED; First Groove Width: 0.1406 INCHES NOMINAL IN; Seat Angle in Deg: 37.0. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-362-0531 still in active supply?

NSN 2805-00-362-0531 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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