PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

907-109Ring Set,piston

Dresser, Llc · NSN 2805-00-555-6261 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-555-6261 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-555-6261. Primary manufacturer part number: 907-109.
Features
  • Ring Set,piston — FSC 2805
  • Ring Set Component Parts: 64104 145605C COMPRESSION RING 1; 64104 145605 COMPRESSION RING 1; 64104 145505 OIL RING 1; 64104 145705 SCRAPER RING 1
  • Piston Accommodation Quantity: 1
  • Standard Bore Diameter: 5.250 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Dresser, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-555-6261, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-555-6261
Primary Part Number907-109
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
Ring Set Component Parts64104 145605C COMPRESSION RING 1; 64104 145605 COMPRESSION RING 1; 64104 145505 OIL RING 1; 64104 145705 SCRAPER RING 1
Piston Accommodation Quantity1
Standard Bore Diameter5.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6625-00-022-7882907-109 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
3110-00-142-0908161-0071 INTERCHANGEABLE
Bearing,ball,annular
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
907-109 PRIMARY Dresser, Llc (USA)
Related Parts
6625-00-022-7882INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
907-109
3110-00-142-0908INTERCHANGEABLE
BEARING,BALL,ANNULAR
161-0071

Frequently Asked Questions

What is NSN 2805-00-555-6261?

NSN 2805-00-555-6261 is a Ring Set,piston, manufactured by Dresser, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-555-6261?

NSN 2805-00-555-6261 has 1 cross-referenced part number: 907-109 (Dresser, Llc).

What NSN replaces 2805-00-555-6261?

There are 2 known substitutes for 2805-00-555-6261: 6625-00-022-7882, 3110-00-142-0908. Verify interchangeability with system specifications before substitution.

What are the specifications of 907-109?

Key specifications for 907-109: Ring Set Component Parts: 64104 145605C COMPRESSION RING 1; 64104 145605 COMPRESSION RING 1; 64104 145505 OIL RING 1; 64104 145705 SCRAPER RING 1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 5.250 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-555-6261 still in active supply?

NSN 2805-00-555-6261 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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