PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4514677-6Ring,piston

Agco Corp Parts Opn · NSN 2805-00-640-8637 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-640-8637 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-640-8637. Primary manufacturer part number: 4514677-6.
Features
  • Ring,piston — FSC 2805
  • Material: IRON OVERALL
  • Standard Bore Diameter: 3.438 INCHES IN
  • Ring Style: CONCENTRIC
  • Radial Wall Thickness: 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
  • Joint Style: VERTICAL JOINT
  • Cross-Sectional Shape Style: STRAIGHT FACE, BOTTOM RELIEF
  • 5 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-640-8637, 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 5 commercial cross-references from 5 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
NSN2805-00-640-8637
Primary Part Number4514677-6
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerAgco Corp Parts Opn
StatusACTIVE
MaterialIRON OVERALL
Standard Bore Diameter3.438 INCHES IN
Ring StyleCONCENTRIC
Radial Wall Thickness0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StyleSTRAIGHT FACE, BOTTOM RELIEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1620-00-756-91815628 INTERCHANGEABLE
Fitting,stack,tube
Goodrich Aerospace Canada Ltd
3510-01-131-965556285 INTERCHANGEABLE
Roller
Alliance Laundry Systems Llc
5930-01-363-915756285 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5930-01-513-4370ABW110-B INTERCHANGEABLE
Switch,push
Idec Systems and Controls Corp
5995-01-553-741156285 INTERCHANGEABLE
Cable Assembly Set,electrical
Aerovironment, Inc. Dba Aerovironment Inc
2530-01-662-327856285 INTERCHANGEABLE
Knuckle,towbar
Saginaw Products Corporation Dba Cignys
4210-01-687-67371133-8340-4 INTERCHANGEABLE
Foam Liquid,fire Extinguishing
National Foam Inc Dba National Foam Div National Foam
Cross-Reference Index
Part NumberManufacturer
56285 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
MS13932-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS39349-7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
F162A232 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
4514677-6 PRIMARY Agco Corp Parts Opn (USA)
Related Parts
1620-00-756-9181INTERCHANGEABLE
FITTING,STACK,TUBE
5628
3510-01-131-9655INTERCHANGEABLE
ROLLER
56285
5930-01-363-9157INTERCHANGEABLE
SWITCH,FLOW
56285
5930-01-513-4370INTERCHANGEABLE
SWITCH,PUSH
ABW110-B
5995-01-553-7411INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
56285
2530-01-662-3278INTERCHANGEABLE
KNUCKLE,TOWBAR
56285
4210-01-687-6737INTERCHANGEABLE
FOAM LIQUID,FIRE EXTINGUISHING
1133-8340-4

Frequently Asked Questions

What is NSN 2805-00-640-8637?

NSN 2805-00-640-8637 is a Ring,piston, manufactured by Agco Corp Parts Opn, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-640-8637?

NSN 2805-00-640-8637 has 5 cross-referenced part numbers: 56285 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), MS13932-7 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS39349-7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), F162A232 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 4514677-6 (Agco Corp Parts Opn).

What NSN replaces 2805-00-640-8637?

There are 7 known substitutes for 2805-00-640-8637: 1620-00-756-9181, 3510-01-131-9655, 5930-01-363-9157 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4514677-6?

Key specifications for 4514677-6: Material: IRON OVERALL; Standard Bore Diameter: 3.438 INCHES IN; Ring Style: CONCENTRIC; Radial Wall Thickness: 0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN. 8 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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