PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4514676-8Ring,piston

Agco Corp Parts Opn · NSN 2805-00-554-3951 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-554-3951 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-554-3951. Primary manufacturer part number: 4514676-8.
Features
  • Ring,piston — FSC 2805
  • Radial Wall Thickness: 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Ring Style: CONCENTRIC
  • Cross-Sectional Shape Style: INSIDE BEVEL, UPPER, STRAIGHT FACE
  • Standard Bore Diameter: 3.4375 INCHES IN
  • Joint Style: VERTICAL JOINT
  • 6 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-554-3951, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Agco Corp Parts Opn. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-554-3951
Primary Part Number4514676-8
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusCANCELLED
Radial Wall Thickness0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
MaterialIRON OVERALL
Ring StyleCONCENTRIC
Cross-Sectional Shape StyleINSIDE BEVEL, UPPER, STRAIGHT FACE
Standard Bore Diameter3.4375 INCHES IN
Joint StyleVERTICAL JOINT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4820-01-058-4386N69035 INTERCHANGEABLE
Main Valve Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
6680-01-096-666656284 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
4520-01-469-293356284 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
9330-01-616-105156284 INTERCHANGEABLE
Plastic Strip
Aerovironment, Inc. Dba Aerovironment Inc
2530-01-662-327756284 INTERCHANGEABLE
Knuckle,towbar
Saginaw Products Corporation Dba Cignys
Cross-Reference Index
Part NumberManufacturer
4514676-8 Agco Corp Parts Opn (USA)
MS39348-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS13933-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
56284 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
F162A231 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
MIL-E-11275 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-01-058-4386INTERCHANGEABLE
MAIN VALVE ASSEMBLY
N69035
6680-01-096-6666INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
56284
4520-01-469-2933INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
56284
9330-01-616-1051INTERCHANGEABLE
PLASTIC STRIP
56284
2530-01-662-3277INTERCHANGEABLE
KNUCKLE,TOWBAR
56284

Frequently Asked Questions

What is NSN 2805-00-554-3951?

NSN 2805-00-554-3951 is a Ring,piston, manufactured by Agco Corp Parts Opn, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-554-3951?

NSN 2805-00-554-3951 has 6 cross-referenced part numbers: 4514676-8 (Agco Corp Parts Opn), MS39348-7 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS13933-7 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 56284 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), F162A231 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc) and 1 more.

What NSN replaces 2805-00-554-3951?

There are 5 known substitutes for 2805-00-554-3951: 4820-01-058-4386, 6680-01-096-6666, 4520-01-469-2933 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4514676-8?

Key specifications for 4514676-8: Overall Width: 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN; Radial Wall Thickness: 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN; Material: IRON OVERALL; Ring Style: CONCENTRIC. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-554-3951 still in active supply?

NSN 2805-00-554-3951 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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