PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61336-020Ring,piston

Briggs and Stratton Corp · NSN 2805-00-391-3218 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-391-3218 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-391-3218. Primary manufacturer part number: 61336-020.
Features
  • Ring,piston — FSC 2805
  • Standard Bore Diameter: 3.000 INCHES IN
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Material: IRON OVERALL
  • Ring Style: CONCENTRIC
  • Bore Diameter Oversize: 0.020 INCHES IN
  • Radial Wall Thickness: 0.1390 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: CONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-391-3218, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-391-3218
Primary Part Number61336-020
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Standard Bore Diameter3.000 INCHES IN
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
MaterialIRON OVERALL
Ring StyleCONCENTRIC
Bore Diameter Oversize0.020 INCHES IN
Radial Wall Thickness0.1390 INCHES NOMINAL IN
Cross-Sectional Shape StyleCONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2805-00-374-3802292102 INTERCHANGEABLE
Ring Set,piston
Briggs and Stratton Corp
Cross-Reference Index
Part NumberManufacturer
61336-020 PRIMARY Briggs and Stratton Corp (USA)
Related Parts
2805-00-374-3802INTERCHANGEABLE
RING SET,PISTON
292102

Frequently Asked Questions

What is NSN 2805-00-391-3218?

NSN 2805-00-391-3218 is a Ring,piston, manufactured by Briggs and Stratton Corp, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-391-3218?

NSN 2805-00-391-3218 has 1 cross-referenced part number: 61336-020 (Briggs and Stratton Corp).

What NSN replaces 2805-00-391-3218?

There is 1 known substitute for 2805-00-391-3218: 2805-00-374-3802. Verify interchangeability with system specifications before substitution.

What are the specifications of 61336-020?

Key specifications for 61336-020: Standard Bore Diameter: 3.000 INCHES IN; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Material: IRON OVERALL; Ring Style: CONCENTRIC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-391-3218 still in active supply?

NSN 2805-00-391-3218 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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