PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

394436Valve,poppet,engine

Briggs and Stratton Corp · NSN 2805-00-353-7617 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-353-7617 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-353-7617. Primary manufacturer part number: 394436.
Features
  • Valve,poppet,engine — FSC 2805
  • Distance From First Groove to Stem End: 0.2500 INCHES NOMINAL IN
  • Head Height: 0.1875 INCHES NOMINAL IN
  • Chamfer Angle in Deg: 30.0
  • Stem Length: 4.6775 INCHES NOMINAL IN
  • Second Groove Diameter: 0.2890 INCHES NOMINAL IN
  • First Groove Width: 0.2650 INCHES NOMINAL IN
  • Chamfer Length: 0.0625 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 2805-00-353-7617, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN2805-00-353-7617
Primary Part Number394436
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Distance From First Groove to Stem End0.2500 INCHES NOMINAL IN
Head Height0.1875 INCHES NOMINAL IN
Chamfer Angle in Deg30.0
Stem Length4.6775 INCHES NOMINAL IN
Second Groove Diameter0.2890 INCHES NOMINAL IN
First Groove Width0.2650 INCHES NOMINAL IN
Chamfer Length0.0625 INCHES NOMINAL IN
Second Groove Width0.3750 INCHES NOMINAL IN
Stem Diameter0.3125 INCHES NOMINAL IN
Distance From Second Groove to Stem End3.4440 INCHES NOMINAL IN
MaterialCOBALT ALLOY SEAT FACE
Stem StyleDOUBLE GROOVED
Seat Angle in Deg45.0
First Groove Diameter0.2530 INCHES NOMINAL IN
Head StyleFLAT
Outside Diameter1.2500 INCHES NOMINAL IN
MaterialSTEEL STEM
FSC Application DataGASOLINE ENGINE
Neck Radius0.3125 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
MaterialSTEEL HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-158-62022759-33-2157-2515 INTERCHANGEABLE
Bearing,ball,thrust
Federal-Mogul Corp Government Sales Dept
8465-01-677-2135 INTERCHANGEABLE
Bag,ammunition
8465-01-677-2140 INTERCHANGEABLE
Bag,ammunition
Cross-Reference Index
Part NumberManufacturer
A978S Sterling Div Federal Mogul Corp (USA)
261207 Briggs and Stratton Corp (USA)
A978 Sterling Div Federal Mogul Corp (USA)
JHP13-122 Hollingsworth John R Co (USA)
26736 Briggs and Stratton Corp (USA)
394436 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
3110-00-158-6202INTERCHANGEABLE
BEARING,BALL,THRUST
2759-33-2157-2515
8465-01-677-2135INTERCHANGEABLE
BAG,AMMUNITION
8465-01-677-2140INTERCHANGEABLE
BAG,AMMUNITION

Frequently Asked Questions

What is NSN 2805-00-353-7617?

NSN 2805-00-353-7617 is a Valve,poppet,engine, manufactured by Briggs and Stratton Corp, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-353-7617?

NSN 2805-00-353-7617 has 6 cross-referenced part numbers: A978S (Sterling Div Federal Mogul Corp), 261207 (Briggs and Stratton Corp), A978 (Sterling Div Federal Mogul Corp), JHP13-122 (Hollingsworth John R Co), 26736 (Briggs and Stratton Corp) and 1 more.

What NSN replaces 2805-00-353-7617?

There are 3 known substitutes for 2805-00-353-7617: 3110-00-158-6202, 8465-01-677-2135, 8465-01-677-2140. Verify interchangeability with system specifications before substitution.

What are the specifications of 394436?

Key specifications for 394436: Distance From First Groove to Stem End: 0.2500 INCHES NOMINAL IN; Head Height: 0.1875 INCHES NOMINAL IN; Chamfer Angle in Deg: 30.0; Stem Length: 4.6775 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-353-7617 still in active supply?

NSN 2805-00-353-7617 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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