PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RNG605Ring,piston

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4310-00-690-2487 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-690-2487 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-690-2487. Primary manufacturer part number: RNG605.
Features
  • Ring,piston — FSC 4310
  • Ring Style: CONCENTRIC
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Oil Passage Type and Quantity: 6 SLOT HORIZONTALLY THROUGH RING
  • Material: STEEL OVERALL
  • Radial Wall Thickness: 0.0620 INCHES NOMINAL IN
  • Standard Bore Diameter: 1.750 INCHES IN
  • Joint Style: VERTICAL JOINT
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-690-2487, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4310-00-690-2487
Primary Part NumberRNG605
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusCANCELLED
Ring StyleCONCENTRIC
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
Oil Passage Type and Quantity6 SLOT HORIZONTALLY THROUGH RING
MaterialSTEEL OVERALL
Radial Wall Thickness0.0620 INCHES NOMINAL IN
Standard Bore Diameter1.750 INCHES IN
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StyleBEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-288-9205 INTERCHANGEABLE
Valve,globe
3815-00-354-3034 INTERCHANGEABLE
Bar
5340-00-433-3993 INTERCHANGEABLE
Handle,bow
6640-00-926-1290 INTERCHANGEABLE
Vortex Mixer,laboratory
6150-01-173-544812812 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5120-01-430-7748 INTERCHANGEABLE
Extension,socket Wrench
6685-01-533-4816 INTERCHANGEABLE
Indicator,temperature,electrical
5340-01-599-258712812 INTERCHANGEABLE
Plate,mounting
Bae Systems Information & Electronic Systems Integration Inc.
6685-01-654-566212812 INTERCHANGEABLE
Gage,receiver Pressure,pneumatic
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
Cross-Reference Index
Part NumberManufacturer
2036N Siemens Energy, Inc. Dba Dresser-Rand (USA)
12812 Muskegon Piston Ring Co Muskegon Products Div (USA)
2036N Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
2036N Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
RNG605 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
RNG605 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
2036N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
RNG605 Rexarc International, Inc (USA)
12812 Gould Inc Clevite Engine Parts Div (USA)
BAA062 Rexarc International, Inc (USA)
RNG605 Siemens Energy, Inc. Dba Dresser-Rand (USA)
RNG605 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
4820-00-288-9205INTERCHANGEABLE
VALVE,GLOBE
3815-00-354-3034INTERCHANGEABLE
BAR
5340-00-433-3993INTERCHANGEABLE
HANDLE,BOW
6640-00-926-1290INTERCHANGEABLE
VORTEX MIXER,LABORATORY
6150-01-173-5448INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12812
5120-01-430-7748INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
6685-01-533-4816INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
5340-01-599-2587INTERCHANGEABLE
PLATE,MOUNTING
12812
6685-01-654-5662INTERCHANGEABLE
GAGE,RECEIVER PRESSURE,PNEUMATIC
12812

Frequently Asked Questions

What is NSN 4310-00-690-2487?

NSN 4310-00-690-2487 is a Ring,piston, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4310-00-690-2487?

NSN 4310-00-690-2487 has 12 cross-referenced part numbers: 2036N (Siemens Energy, Inc. Dba Dresser-Rand), 12812 (Muskegon Piston Ring Co Muskegon Products Div), 2036N (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 2036N (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), RNG605 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 7 more.

What NSN replaces 4310-00-690-2487?

There are 9 known substitutes for 4310-00-690-2487: 4820-00-288-9205, 3815-00-354-3034, 5340-00-433-3993 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RNG605?

Key specifications for RNG605: Ring Style: CONCENTRIC; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY; Oil Passage Type and Quantity: 6 SLOT HORIZONTALLY THROUGH RING; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-690-2487 still in active supply?

NSN 4310-00-690-2487 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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