PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LW-14077Pin,piston

Textron Lycoming Inc Williamsport Plant · NSN 2810-00-203-4270 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-203-4270 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-203-4270. Primary manufacturer part number: LW-14077.
Features
  • Pin,piston — FSC 2810
  • Outside Diameter: 1.12430 INCHES MINIMUM AND 1.12460 INCHES MAXIMUM IN
  • Test Data Document: 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • FSC Application Data: ENG G0480
  • Material: STEEL COMP 4620 OR STEEL COMP 8620
  • Material Document and Classification: AMS 6294 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6274 ASSN STD 2ND MATERIAL RESPONSE OR SAE 8620 ASSN STD 2ND MATERIAL RESPONSE
  • Bore Style: INSIDE CHAMFER STRAIGHT-THRU BORE
  • Metallic Hardness Rating: 30.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C
Applications
  • Applications requiring Steel Comp 4620 or Steel Comp 8620 construction
General Description

The Pin,piston, cataloged under National Stock Number 2810-00-203-4270, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.

Technical Specifications
ParameterValue
NSN2810-00-203-4270
Primary Part NumberLW-14077
Item NamePin,piston
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Outside Diameter1.12430 INCHES MINIMUM AND 1.12460 INCHES MAXIMUM IN
Test Data Document81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FSC Application DataENG G0480
MaterialSTEEL COMP 4620 OR STEEL COMP 8620
Material Document and ClassificationAMS 6294 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6274 ASSN STD 2ND MATERIAL RESPONSE OR SAE 8620 ASSN STD 2ND MATERIAL RESPONSE
Bore StyleINSIDE CHAMFER STRAIGHT-THRU BORE
Metallic Hardness Rating30.0 MINIMUM ROCKWELL C AND 45.0 MAXIMUM ROCKWELL C
Countersink Angle in Deg45.0
Body StyleCHAMFERED ENDS
Bore Diameter0.5610 INCHES MINIMUM AND 0.5710 INCHES MAXIMUM IN
Body Length3.7400 INCHES MINIMUM AND 3.7500 INCHES MAXIMUM IN
End Chamfer Angle in Deg45.0
Casehardening IndicatorCASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6115-00-235-4703133-195 INTERCHANGEABLE
B0x Control Heater
Cummins Power Generation Inc.
5360-00-314-659469-650 INTERCHANGEABLE
Spring,helical,extension
Eaton Corp Opns & Technical Center
3110-00-555-5225 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
69650 Textron Lycoming Inc Williamsport Plant (USA)
LW-14077 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
SL13444-1 Superior Air Parts Nz Ltd (NZL)
LW-14078 Textron Lycoming Inc Williamsport Plant (USA)
LW-14077 Satair A/s (DNK)
Related Parts
6115-00-235-4703INTERCHANGEABLE
B0X CONTROL HEATER
133-195
5360-00-314-6594INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
69-650
3110-00-555-5225INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 2810-00-203-4270?

NSN 2810-00-203-4270 is a Pin,piston, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-203-4270?

NSN 2810-00-203-4270 has 5 cross-referenced part numbers: 69650 (Textron Lycoming Inc Williamsport Plant), LW-14077 (Textron Lycoming Inc Williamsport Plant), SL13444-1 (Superior Air Parts Nz Ltd), LW-14078 (Textron Lycoming Inc Williamsport Plant), LW-14077 (Satair A/s).

What NSN replaces 2810-00-203-4270?

There are 3 known substitutes for 2810-00-203-4270: 6115-00-235-4703, 5360-00-314-6594, 3110-00-555-5225. Verify interchangeability with system specifications before substitution.

What are the specifications of LW-14077?

Key specifications for LW-14077: Outside Diameter: 1.12430 INCHES MINIMUM AND 1.12460 INCHES MAXIMUM IN; Test Data Document: 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; FSC Application Data: ENG G0480; Material: STEEL COMP 4620 OR STEEL COMP 8620. 13 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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