PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15373Piston,internal Combustion Engin

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-118-9024 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-118-9024 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-118-9024. Primary manufacturer part number: 15373.
Features
  • Piston,internal Combustion Engin — FSC 2810
  • Ring Groove Diameter: 5.292 INCHES NOMINAL FIRST RING IN
  • Ring Groove Diameter: 5.292 INCHES NOMINAL SECOND RING IN
  • Ring Groove Diameter: 5.207 INCHES NOMINAL FOURTH RING IN
  • Surface Finish: FINISHED
  • Oil Passage Type: HOLE AND SLOT LOCATION NOT OTHERWISE SPECIFIED
  • Pin Hole Bushing: NOT INCLUDED
  • Retaining Ring Groove: NOT INCLUDED
Applications
  • Applications requiring Aluminum construction
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2810-00-118-9024, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-118-9024
Primary Part Number15373
Item NamePiston,internal Combustion Engin
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Ring Groove Diameter5.292 INCHES NOMINAL FIRST RING IN
Ring Groove Diameter5.292 INCHES NOMINAL SECOND RING IN
Ring Groove Diameter5.207 INCHES NOMINAL FOURTH RING IN
Surface FinishFINISHED
Oil Passage TypeHOLE AND SLOT LOCATION NOT OTHERWISE SPECIFIED
Pin Hole BushingNOT INCLUDED
Retaining Ring GrooveNOT INCLUDED
Carbon GrooveNOT INCLUDED
Finished Size DesignationSTANDARD
Ring Groove Width0.1330 INCHES NOMINAL AND 0.1310 INCHES NOMINAL AND 0.1290 INCHES NOMINAL AND 0.2210 INCHES NOMINAL AND 0.1270 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Distance From Pin Hole Center to Extreme Top2.706 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
PinNOT INCLUDED
Pinhole Diameter1.3730 INCHES NOMINAL IN
Distance Between Pin Bosses2.313 INCHES NOMINAL IN
Ring Groove Quantity5
Ring Groove Diameter5.327 INCHES NOMINAL FIFTH RING IN
Pin Type for Which DesignedFLOATING
Oil GrooveNOT INCLUDED
Skirt TypeSOLID
RingNOT INCLUDED
MaterialALUMINUM
Diameter5.728 INCHES NOMINAL IN
FSC Application DataACFT ENG R1340
Skirt Bottom Cutaway FeatureNOT INCLUDED
Ring Groove Diameter5.292 INCHES NOMINAL THIRD RING IN
Ring Groove Position and QuantityNO.1 AND NO.2 AND NO.3 AND NO.4 AND NO.5 PISTON ALL RINGS
Head StyleCONCAVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-717-3571820-596 INTERCHANGEABLE
Meter,arbitrary Scale
Hickok Waekon Llc
6145-00-936-00838465 INTERCHANGEABLE
Cable,telephone
Belden Wire and Cable Co Wire and Cable Office
5360-01-179-418015373 INTERCHANGEABLE
Spring,bypass Valve
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5950-01-416-639405020 INTERCHANGEABLE
Reactor
Magnetika Inc
5305-01-564-507915373 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
4210-01-592-84521-5373 INTERCHANGEABLE
Steering Cylinder a
Best Metal Products Company, Inc.
4930-01-672-753415373 INTERCHANGEABLE
Bucket Pipe Threader Oiler
Ridgid Paper Tube Corp
Cross-Reference Index
Part NumberManufacturer
15373 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
15373 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
6625-00-717-3571INTERCHANGEABLE
METER,ARBITRARY SCALE
820-596
6145-00-936-0083INTERCHANGEABLE
CABLE,TELEPHONE
8465
5360-01-179-4180INTERCHANGEABLE
SPRING,BYPASS VALVE
15373
5950-01-416-6394INTERCHANGEABLE
REACTOR
05020
5305-01-564-5079INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
15373
4210-01-592-8452INTERCHANGEABLE
STEERING CYLINDER A
1-5373
4930-01-672-7534INTERCHANGEABLE
BUCKET PIPE THREADER OILER
15373

Frequently Asked Questions

What is NSN 2810-00-118-9024?

NSN 2810-00-118-9024 is a Piston,internal Combustion Engin, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-118-9024?

NSN 2810-00-118-9024 has 2 cross-referenced part numbers: 15373 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 15373 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2810-00-118-9024?

There are 7 known substitutes for 2810-00-118-9024: 6625-00-717-3571, 6145-00-936-0083, 5360-01-179-4180 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15373?

Key specifications for 15373: Ring Groove Diameter: 5.292 INCHES NOMINAL FIRST RING IN; Ring Groove Diameter: 5.292 INCHES NOMINAL SECOND RING IN; Ring Groove Diameter: 5.207 INCHES NOMINAL FOURTH RING IN; Surface Finish: FINISHED. 30 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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