PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204505CRing,piston

Dresser, Llc · NSN 2815-01-240-1943 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-240-1943 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-240-1943. Primary manufacturer part number: 204505C.
Features
  • Ring,piston — FSC 2815
  • Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
  • 2 verified cross-references
  • Primary manufacturer: Dresser, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 2815-01-240-1943, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-01-240-1943
Primary Part Number204505C
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5970-00-827-6567M23053/4-106-4 INTERCHANGEABLE
Insulation Sleeving,electrical
Sae International Dba Sae International
5950-00-977-2928302009 INTERCHANGEABLE
Transformer,power
Tdk-Lambda Americas Inc. Div High Power Division
6680-01-527-0693204505 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5360-01-590-0588204-505 INTERCHANGEABLE
Spring,helical,compression
Barnes Group Inc.
Cross-Reference Index
Part NumberManufacturer
204505 Dresser, Llc (USA)
204505C PRIMARY Dresser, Llc (USA)
Related Parts
5970-00-827-6567INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
M23053/4-106-4
5950-00-977-2928INTERCHANGEABLE
TRANSFORMER,POWER
302009
6680-01-527-0693INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
204505
5360-01-590-0588INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
204-505

Frequently Asked Questions

What is NSN 2815-01-240-1943?

NSN 2815-01-240-1943 is a Ring,piston, manufactured by Dresser, Llc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-240-1943?

NSN 2815-01-240-1943 has 2 cross-referenced part numbers: 204505 (Dresser, Llc), 204505C (Dresser, Llc).

What NSN replaces 2815-01-240-1943?

There are 4 known substitutes for 2815-01-240-1943: 5970-00-827-6567, 5950-00-977-2928, 6680-01-527-0693 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204505C?

Key specifications for 204505C: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; End Item Identification: WAUKESHA DIESEL ENGINE MODEL F2825D. 2 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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