PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R43681Insert,engine Valve Seat

Deere & Company Dba Deere John Co · NSN 2815-00-102-0142 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-102-0142 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-102-0142. Primary manufacturer part number: R43681.
Features
  • Insert,engine Valve Seat — FSC 2815
  • Surface Treatment: CHROMATE BODY
  • Style Designator: PLAIN
  • Body Inside Diameter: 1.500 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Deere & Company Dba Deere John Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Insert,engine Valve Seat, cataloged under National Stock Number 2815-00-102-0142, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-102-0142
Primary Part NumberR43681
Item NameInsert,engine Valve Seat
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDeere & Company Dba Deere John Co
StatusACTIVE
Surface TreatmentCHROMATE BODY
Style DesignatorPLAIN
Body Inside Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-127-504431290 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3455-00-240-731813220 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
2920-00-832-0150AR58126 INTERCHANGEABLE
Switch,lock,ignition
Deere & Company Dba Deere John Co
6550-01-031-6163231290 INTERCHANGEABLE
Sensitivity Discs,diagnostic
Becton, Dickinson and Co Dba Becton Dickinson & Co
4510-01-083-7346F141KC INTERCHANGEABLE
Parts Kit,flush Valve
Coyne & Delany Company Dba Delany Products Div Delany Products
5305-01-557-063431290 INTERCHANGEABLE
Screw,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
R43681 Deere & Co (USA)
R43681 PRIMARY Deere & Company Dba Deere John Co (USA)
31290 PRIMARY Safeguard Powertech Systems (USA)
Related Parts
5330-00-127-5044INTERCHANGEABLE
GASKET
31290
3455-00-240-7318INTERCHANGEABLE
CUTTER,MILLING,ANGLE
13220
2920-00-832-0150INTERCHANGEABLE
SWITCH,LOCK,IGNITION
AR58126
6550-01-031-6163INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
231290
4510-01-083-7346INTERCHANGEABLE
PARTS KIT,FLUSH VALVE
F141KC
5305-01-557-0634INTERCHANGEABLE
SCREW,MACHINE
31290

Frequently Asked Questions

What is NSN 2815-00-102-0142?

NSN 2815-00-102-0142 is a Insert,engine Valve Seat, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-102-0142?

NSN 2815-00-102-0142 has 3 cross-referenced part numbers: R43681 (Deere & Co), R43681 (Deere & Company Dba Deere John Co), 31290 (Safeguard Powertech Systems).

What NSN replaces 2815-00-102-0142?

There are 6 known substitutes for 2815-00-102-0142: 5330-00-127-5044, 3455-00-240-7318, 2920-00-832-0150 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R43681?

Key specifications for R43681: Surface Treatment: CHROMATE BODY; Style Designator: PLAIN; Body Inside Diameter: 1.500 INCHES NOMINAL IN. 3 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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