PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4SE2017Valve,poppet,engine

Striegel Supply, Inc. Dba Striegel Supply Inc · NSN 2805-00-517-9926 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-517-9926 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-517-9926. Primary manufacturer part number: 4SE2017.
Features
  • Valve,poppet,engine — FSC 2805
  • Seat Angle in Deg: 45.0
  • Stem Style: DOUBLE GROOVED
  • Distance From First Groove to Stem End: 0.2500 INCHES NOMINAL IN
  • FSC Application Data: GASOLINE ENGINE
  • Material: STEEL COMP 3140 STEM
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Stem Diameter: 0.3100 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 2805-00-517-9926, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Striegel Supply, Inc. Dba Striegel Supply Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN2805-00-517-9926
Primary Part Number4SE2017
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerStriegel Supply, Inc. Dba Striegel Supply Inc
StatusCANCELLED
Seat Angle in Deg45.0
Stem StyleDOUBLE GROOVED
Distance From First Groove to Stem End0.2500 INCHES NOMINAL IN
FSC Application DataGASOLINE ENGINE
MaterialSTEEL COMP 3140 STEM
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE STEM
Stem Diameter0.3100 INCHES NOMINAL IN
Distance From Second Groove to Stem End3.4450 INCHES NOMINAL IN
Outside Diameter1.2500 INCHES NOMINAL IN
Second Groove Diameter0.2890 INCHES NOMINAL IN
Second Groove Width0.3750 INCHES NOMINAL IN
Chamfer Length0.0469 INCHES NOMINAL IN
Chamfer Angle in Deg60.0
First Groove Width0.2650 INCHES NOMINAL IN
Head Height0.1562 INCHES NOMINAL IN
First Groove Diameter0.2530 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
Stem Length4.6730 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
Neck Radius0.3125 INCHES NOMINAL IN
Head StyleMUSHROOM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5330-00-056-5645394434 INTERCHANGEABLE
Gasket
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3120-00-238-230423923 INTERCHANGEABLE
Bearing,sleeve
Triumph Controls, Llc Dba Triumph Controls, Llc
4730-01-500-2479A109-4 INTERCHANGEABLE
Plug,pipe
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
3H6682-33 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
23923 Unimasco Inc (USA)
23923 Briggs and Stratton Corp (USA)
4SE2017 PRIMARY Striegel Supply, Inc. Dba Striegel Supply Inc (USA)
A1094 Sterling Div Federal Mogul Corp (USA)
394434 PRIMARY Briggs and Stratton Corp (USA)
23923 Briggs and Stratton Corp (USA)
Related Parts
5330-00-056-5645INTERCHANGEABLE
GASKET
394434
3120-00-238-2304INTERCHANGEABLE
BEARING,SLEEVE
23923
4730-01-500-2479INTERCHANGEABLE
PLUG,PIPE
A109-4

Frequently Asked Questions

What is NSN 2805-00-517-9926?

NSN 2805-00-517-9926 is a Valve,poppet,engine, manufactured by Striegel Supply, Inc. Dba Striegel Supply Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-517-9926?

NSN 2805-00-517-9926 has 7 cross-referenced part numbers: 3H6682-33 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 23923 (Unimasco Inc), 23923 (Briggs and Stratton Corp), 4SE2017 (Striegel Supply, Inc. Dba Striegel Supply Inc), A1094 (Sterling Div Federal Mogul Corp) and 2 more.

What NSN replaces 2805-00-517-9926?

There are 3 known substitutes for 2805-00-517-9926: 5330-00-056-5645, 3120-00-238-2304, 4730-01-500-2479. Verify interchangeability with system specifications before substitution.

What are the specifications of 4SE2017?

Key specifications for 4SE2017: Seat Angle in Deg: 45.0; Stem Style: DOUBLE GROOVED; Distance From First Groove to Stem End: 0.2500 INCHES NOMINAL IN; FSC Application Data: GASOLINE ENGINE. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-517-9926 still in active supply?

NSN 2805-00-517-9926 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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