PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

650330Ring,piston

Cummins Inc · NSN 4310-01-079-5245 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-079-5245 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-079-5245. Primary manufacturer part number: 650330.
Features
  • Ring,piston — FSC 4310
  • Ring Style: CONCENTRIC
  • Material: IRON OVERALL
  • Joint Style: VERTICAL JOINT
  • Radial Wall Thickness: 0.1540 INCHES NOMINAL IN
  • Standard Bore Diameter: 3.625 INCHES IN
  • Cross-Sectional Shape Style: STRAIGHT FACE, BOTTOM RELIEF
  • 3 verified cross-references
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-079-5245, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Cummins Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4310-01-079-5245
Primary Part Number650330
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCummins Inc
StatusACTIVE
Ring StyleCONCENTRIC
MaterialIRON OVERALL
Joint StyleVERTICAL JOINT
Radial Wall Thickness0.1540 INCHES NOMINAL IN
Standard Bore Diameter3.625 INCHES IN
Cross-Sectional Shape StyleSTRAIGHT FACE, BOTTOM RELIEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5996-00-505-1515650330 INTERCHANGEABLE
Amplifier,intermediate Frequency
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
Cross-Reference Index
Part NumberManufacturer
650330 PRIMARY Cummins Inc (USA)
032398T Kovatch Corp. (USA)
650330 Cummins Inc. (USA)
Related Parts
5996-00-505-1515INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
650330

Frequently Asked Questions

What is NSN 4310-01-079-5245?

NSN 4310-01-079-5245 is a Ring,piston, manufactured by Cummins Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-079-5245?

NSN 4310-01-079-5245 has 3 cross-referenced part numbers: 650330 (Cummins Inc), 032398T (Kovatch Corp.), 650330 (Cummins Inc.).

What NSN replaces 4310-01-079-5245?

There is 1 known substitute for 4310-01-079-5245: 5996-00-505-1515. Verify interchangeability with system specifications before substitution.

What are the specifications of 650330?

Key specifications for 650330: Ring Style: CONCENTRIC; Material: IRON OVERALL; Joint Style: VERTICAL JOINT; End Item Identification: CUMMINS ENGINE CO,DIESEL ENGINE,MODEL V903C. 8 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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