PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8593BRing,piston

Siemens Energy, Inc. Dba Dresser-Rand · NSN 4310-01-141-8593 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-141-8593 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-141-8593. Primary manufacturer part number: 8593B.
Features
  • Ring,piston — FSC 4310
  • Material: COPPER ALLOY INSIDE PERIPHERY
  • Material: PLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY
  • 6 verified cross-references
  • Primary manufacturer: Siemens Energy, Inc. Dba Dresser-Rand
Applications
  • Applications requiring Copper Alloy Inside Periphery construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-141-8593, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Siemens Energy, Inc. Dba Dresser-Rand. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-141-8593
Primary Part Number8593B
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerSiemens Energy, Inc. Dba Dresser-Rand
StatusACTIVE
MaterialCOPPER ALLOY INSIDE PERIPHERY
MaterialPLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4310-01-141-8633220122BK1 INTERCHANGEABLE
Guide
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
8593B Siemens Energy, Inc. Dba Dresser-Rand (USA)
PL-200138R PIECE 48 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
20Y1347 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
8593B Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
PL-200138R Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
8593B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
4310-01-141-8633INTERCHANGEABLE
GUIDE
220122BK1

Frequently Asked Questions

What is NSN 4310-01-141-8593?

NSN 4310-01-141-8593 is a Ring,piston, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-141-8593?

NSN 4310-01-141-8593 has 6 cross-referenced part numbers: 8593B (Siemens Energy, Inc. Dba Dresser-Rand), PL-200138R PIECE 48 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 20Y1347 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 8593B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), PL-200138R (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 1 more.

What NSN replaces 4310-01-141-8593?

There is 1 known substitute for 4310-01-141-8593: 4310-01-141-8633. Verify interchangeability with system specifications before substitution.

What are the specifications of 8593B?

Key specifications for 8593B: Material: COPPER ALLOY INSIDE PERIPHERY; Material: PLASTIC TETRAFLUOROETHYLENE OUTSIDE PERIPHERY. 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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