PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29407Piston,internal Combustion Engin

Briggs and Stratton Corp · NSN 2805-00-145-6038 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-145-6038 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-145-6038. Primary manufacturer part number: 29407.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Head Style: FLAT
  • Diameter: 2.617 INCHES NOMINAL IN
  • Ring Groove Width: 0.1020 INCHES NOMINAL SECOND RING IN
  • Material: ALUMINUM ALLOY
  • Ring Groove Diameter: 2.305 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Ring Groove Width: 0.1900 INCHES NOMINAL THIRD RING IN
  • Carbon Groove: NOT INCLUDED
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-145-6038, 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 23 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-145-6038
Primary Part Number29407
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Head StyleFLAT
Diameter2.617 INCHES NOMINAL IN
Ring Groove Width0.1020 INCHES NOMINAL SECOND RING IN
MaterialALUMINUM ALLOY
Ring Groove Diameter2.305 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Ring Groove Width0.1900 INCHES NOMINAL THIRD RING IN
Carbon GrooveNOT INCLUDED
Skirt TypeSOLID
Skirt Bottom Cutaway FeatureNOT INCLUDED
PinNOT INCLUDED
Oil GrooveNOT INCLUDED
Oil Passage TypeSLOT LOCATION NOT OTHERWISE SPECIFIED
Surface FinishFINISHED
Distance Between Pin Bosses1.258 INCHES NOMINAL IN
Pin Type for Which DesignedFLOATING
Finished Size DesignationSTANDARD
Pin Hole BushingNOT INCLUDED
Ring Groove Quantity3
Pinhole Diameter0.6720 INCHES NOMINAL IN
Distance From Pin Hole Center to Extreme Top1.432 INCHES NOMINAL IN
Retaining Ring GrooveINCLUDED
RingINCLUDED
Ring Groove Width0.1020 INCHES NOMINAL FIRST RING IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5945-00-188-5600 INTERCHANGEABLE
Relay,electromagnetic
5133-00-228-1323 INTERCHANGEABLE
Drill,twist
4730-00-362-435698979 INTERCHANGEABLE
Clamp,cover,line
Cooper Machinery Services Llc
5905-00-929-717029-407 INTERCHANGEABLE
Resistor,electrical
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
29407 PRIMARY Briggs and Stratton Corp (USA)
99153 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
5945-00-188-5600INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5133-00-228-1323INTERCHANGEABLE
DRILL,TWIST
4730-00-362-4356INTERCHANGEABLE
CLAMP,COVER,LINE
98979
5905-00-929-7170INTERCHANGEABLE
RESISTOR,ELECTRICAL
29-407

Frequently Asked Questions

What is NSN 2805-00-145-6038?

NSN 2805-00-145-6038 is a Piston,internal Combustion Engin, manufactured by Briggs and Stratton Corp, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-145-6038?

NSN 2805-00-145-6038 has 2 cross-referenced part numbers: 29407 (Briggs and Stratton Corp), 99153 (Briggs and Stratton Corp).

What NSN replaces 2805-00-145-6038?

There are 4 known substitutes for 2805-00-145-6038: 5945-00-188-5600, 5133-00-228-1323, 4730-00-362-4356 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29407?

Key specifications for 29407: Head Style: FLAT; Diameter: 2.617 INCHES NOMINAL IN; Ring Groove Width: 0.1020 INCHES NOMINAL SECOND RING IN; Material: ALUMINUM ALLOY. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-145-6038 still in active supply?

NSN 2805-00-145-6038 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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