PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TN323Piston,internal Combustion Engin

Triplex Manufacturing Co Dba Globe Specialty Co Div · NSN 2805-00-517-9897 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-517-9897 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-517-9897. Primary manufacturer part number: TN323.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • Ring Groove Width: 0.0938 INCHES NOMINAL FOURTH RING IN
  • Carbon Groove: NOT INCLUDED
  • Material: ALUMINUM ALLOY
  • Retaining Ring Groove: INCLUDED
  • Head Style: FLAT
  • Ring Groove Width: 0.1250 INCHES NOMINAL SECOND RING IN
  • Ring: NOT INCLUDED
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-517-9897, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Triplex Manufacturing Co Dba Globe Specialty Co Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-517-9897
Primary Part NumberTN323
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerTriplex Manufacturing Co Dba Globe Specialty Co Div
StatusCANCELLED
Ring Groove Width0.0938 INCHES NOMINAL FOURTH RING IN
Carbon GrooveNOT INCLUDED
MaterialALUMINUM ALLOY
Retaining Ring GrooveINCLUDED
Head StyleFLAT
Ring Groove Width0.1250 INCHES NOMINAL SECOND RING IN
RingNOT INCLUDED
FSC Application DataGASOLINE ENGINE COMPONENTS,NONAIRCRAFT
Ring Groove Width0.1875 INCHES NOMINAL FIRST RING IN
Pinhole Diameter0.8744 INCHES NOMINAL IN
Surface FinishFINISHED
Skirt TypeSOLID
Diameter3.438 INCHES NOMINAL IN
Ring Groove Quantity4
Finished Size DesignationSTANDARD
Pin Hole BushingINCLUDED
Skirt Bottom Cutaway FeatureNOT INCLUDED
PinINCLUDED
Pin Type for Which DesignedFLOATING
Ring Groove Width0.1250 INCHES NOMINAL THIRD RING IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2805-00-114-34271863P INTERCHANGEABLE
Piston,internal Combustion Engin
Safeguard Engine Parts Inc Sub of Safeguard Industries Inc
4320-00-176-0284166963E INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
TN323 PRIMARY Triplex Manufacturing Co Dba Globe Specialty Co Div (USA)
1825P Spx Corp (USA)
987P PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
P387AX Mcquay-Norris Inc Oem Div an Skf Industries Co
47122AS Hercules Engine Co Inc (USA)
1825PN Dana Corp Engine Products Div (USA)
L887F PRIMARY Trw Inc Trw Steering and Suspension Div (USA)
8111P Nylen Products Inc (USA)
8111P Ertel Mfg Corp (USA)
2293PN Spx Corp (USA)
1B47122AS Fwd Seagrave Holdings Lp (USA)
47122AS Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
187 PRIMARY M & S Cartage Inc (USA)
2293PN Bosch Automotive Service Solutions Inc. (USA)
1825PN Echlin Inc (USA)
1825P Bosch Automotive Service Solutions Inc. (USA)
1825P Dana Corp Engine Products Div (USA)
Related Parts
2805-00-114-3427INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
1863P
4320-00-176-0284INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
166963E

Frequently Asked Questions

What is NSN 2805-00-517-9897?

NSN 2805-00-517-9897 is a Piston,internal Combustion Engin, manufactured by Triplex Manufacturing Co Dba Globe Specialty Co Div, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-517-9897?

NSN 2805-00-517-9897 has 17 cross-referenced part numbers: TN323 (Triplex Manufacturing Co Dba Globe Specialty Co Div), 1825P (Spx Corp), 987P (Federal-Mogul Corp Government Sales Dept), P387AX (Mcquay-Norris Inc Oem Div an Skf Industries Co), 47122AS (Hercules Engine Co Inc) and 12 more.

What NSN replaces 2805-00-517-9897?

There are 2 known substitutes for 2805-00-517-9897: 2805-00-114-3427, 4320-00-176-0284. Verify interchangeability with system specifications before substitution.

What are the specifications of TN323?

Key specifications for TN323: Ring Groove Width: 0.0938 INCHES NOMINAL FOURTH RING IN; Carbon Groove: NOT INCLUDED; Material: ALUMINUM ALLOY; Retaining Ring Groove: INCLUDED. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-517-9897 still in active supply?

NSN 2805-00-517-9897 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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