PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4310-0052Piston,valve

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4820-00-374-7489 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-374-7489 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-374-7489. Primary manufacturer part number: CS4310-0052.
Features
  • Piston,valve — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-00-374-7489, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-374-7489
Primary Part NumberCS4310-0052
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-01-088-8675897N INTERCHANGEABLE
Coupling Half,quick Disconnect
Olson by-Products Co Inc Dba Jones Barrel Co
Cross-Reference Index
Part NumberManufacturer
PST235 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
HL-18122 PIECE 102 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
HL17376PC97 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
CS4310-0052 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
HL17376PC97 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
897N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
4730-01-088-8675INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
897N

Frequently Asked Questions

What is NSN 4820-00-374-7489?

NSN 4820-00-374-7489 is a Piston,valve, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-374-7489?

NSN 4820-00-374-7489 has 6 cross-referenced part numbers: PST235 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), HL-18122 PIECE 102 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), HL17376PC97 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), CS4310-0052 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), HL17376PC97 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 1 more.

What NSN replaces 4820-00-374-7489?

There is 1 known substitute for 4820-00-374-7489: 4730-01-088-8675. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4310-0052?

Key specifications for CS4310-0052: Special Features: BRASS; 1.625 IN. DIA; 1.250 IN. BORE,2.188 IN. DEEP; 1.875 IN. OD FLANGE,0.250 IN. THICKNESS OF FLANGE,2.438 IN. LG IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-374-7489 still in active supply?

NSN 4820-00-374-7489 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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