PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99947Piston,internal Combustion Engin

Briggs and Stratton Corp · NSN 2805-00-360-7056 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-360-7056 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-360-7056. Primary manufacturer part number: 99947.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Skirt Bottom Cutaway Feature: NOT INCLUDED
  • Pin Type for Which Designed: FLOATING
  • Finished Size Designation: STANDARD
  • Ring Groove Width: 0.1860 INCHES NOMINAL THIRD RING IN
  • Ring Groove Width: 0.0950 INCHES NOMINAL SECOND RING IN
  • Pinhole Diameter: 0.7350 INCHES NOMINAL IN
  • Ring Groove Quantity: 3
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-360-7056, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-360-7056
Primary Part Number99947
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusACTIVE
Skirt Bottom Cutaway FeatureNOT INCLUDED
Pin Type for Which DesignedFLOATING
Finished Size DesignationSTANDARD
Ring Groove Width0.1860 INCHES NOMINAL THIRD RING IN
Ring Groove Width0.0950 INCHES NOMINAL SECOND RING IN
Pinhole Diameter0.7350 INCHES NOMINAL IN
Ring Groove Quantity3
Ring Groove Width0.0950 INCHES NOMINAL FIRST RING IN
Distance From Pin Hole Center to Extreme Top1.690 INCHES NOMINAL IN
RingINCLUDED
Oil Passage TypeHOLE LOCATION NOT OTHERWISE SPECIFIED
Distance Between Pin Bosses1.325 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Ring Groove Diameter2.620 INCHES NOMINAL SECOND RING IN
Ring Groove Diameter2.635 INCHES NOMINAL THIRD RING IN
PinNOT INCLUDED
Diameter3.000 INCHES NOMINAL IN
Surface FinishFINISHED
Skirt TypeSOLID
Oil GrooveNOT INCLUDED
Retaining Ring GrooveINCLUDED
Carbon GrooveNOT INCLUDED
Ring Groove Diameter2.620 INCHES NOMINAL FIRST RING IN
Pin Hole BushingNOT INCLUDED
Head StyleFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-244-9861109099-001 INTERCHANGEABLE
Gear,helical
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
3460-00-322-5930K17 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
3460-00-322-5934SXF39 INTERCHANGEABLE
Wheel,abrasive
Regis Manufacturing Company
3460-00-322-5935K95 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
3460-00-337-6332SX-1530-S INTERCHANGEABLE
Wheel,abrasive
Goodson Manufacturing Co Dba Goodson Manufacturing Co
5120-00-448-208299947 INTERCHANGEABLE
Tool
Telemechanics Inc
3460-00-491-0224K521 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
3460-00-491-0226K523 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
3460-00-491-0230K527 INTERCHANGEABLE
Wheel,abrasive
Sioux Tools Inc
5985-01-262-29549994-7 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
Cross-Reference Index
Part NumberManufacturer
109099 Aqua-Chem Inc Cleaver-Brooks Div (USA)
4980362 Kalmar AC Inc (USA)
99947 Herman Body Co the
109099 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
JHP13-225 Hollingsworth John R Co (USA)
99947-3 Briggs and Stratton Corp (USA)
99947 PRIMARY Briggs and Stratton Corp (USA)
B69921 Agco Corp Parts Opn (USA)
Related Parts
3020-00-244-9861INTERCHANGEABLE
GEAR,HELICAL
109099-001
3460-00-322-5930INTERCHANGEABLE
WHEEL,ABRASIVE
K17
3460-00-322-5934INTERCHANGEABLE
WHEEL,ABRASIVE
SXF39
3460-00-322-5935INTERCHANGEABLE
WHEEL,ABRASIVE
K95
3460-00-337-6332INTERCHANGEABLE
WHEEL,ABRASIVE
SX-1530-S
5120-00-448-2082INTERCHANGEABLE
TOOL
99947
3460-00-491-0224INTERCHANGEABLE
WHEEL,ABRASIVE
K521
3460-00-491-0226INTERCHANGEABLE
WHEEL,ABRASIVE
K523
3460-00-491-0230INTERCHANGEABLE
WHEEL,ABRASIVE
K527
5985-01-262-2954INTERCHANGEABLE
ATTENUATOR,FIXED
9994-7

Frequently Asked Questions

What is NSN 2805-00-360-7056?

NSN 2805-00-360-7056 is a Piston,internal Combustion Engin, manufactured by Briggs and Stratton Corp, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-360-7056?

NSN 2805-00-360-7056 has 8 cross-referenced part numbers: 109099 (Aqua-Chem Inc Cleaver-Brooks Div), 4980362 (Kalmar AC Inc), 99947 (Herman Body Co the), 109099 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), JHP13-225 (Hollingsworth John R Co) and 3 more.

What NSN replaces 2805-00-360-7056?

There are 10 known substitutes for 2805-00-360-7056: 3020-00-244-9861, 3460-00-322-5930, 3460-00-322-5934 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99947?

Key specifications for 99947: Skirt Bottom Cutaway Feature: NOT INCLUDED; Pin Type for Which Designed: FLOATING; Finished Size Designation: STANDARD; Ring Groove Width: 0.1860 INCHES NOMINAL THIRD RING IN. 27 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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