PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS-4320-0423Ring,piston

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4310-00-132-3022 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-132-3022 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-132-3022. Primary manufacturer part number: CS-4320-0423.
Features
  • Ring,piston — FSC 4310
  • Joint Style: VERTICAL JOINT
  • Standard Bore Diameter: 1.375 INCHES IN
  • FSC Application Data: STEAM PISTON,DIRECT ACTING PUMP
  • Bore Diameter Oversize: 0.010 INCHES IN
  • Material: IRON OVERALL
  • Ring Style: CONCENTRIC
  • Radial Wall Thickness: 0.0781 INCHES NOMINAL IN
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-132-3022, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-132-3022
Primary Part NumberCS-4320-0423
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Joint StyleVERTICAL JOINT
Standard Bore Diameter1.375 INCHES IN
FSC Application DataSTEAM PISTON,DIRECT ACTING PUMP
Bore Diameter Oversize0.010 INCHES IN
MaterialIRON OVERALL
Ring StyleCONCENTRIC
Radial Wall Thickness0.0781 INCHES NOMINAL IN
Cross-Sectional Shape StylePLAIN RECTANGULAR, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3540-01-013-0534 INTERCHANGEABLE
Nailing Machine,automatic
3455-01-047-0197 INTERCHANGEABLE
File,rotary
Cross-Reference Index
Part NumberManufacturer
CS4320-042 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
SN-1 Circor Naval Solutions Llc Dba Warren Pumps (USA)
CS-4320-0423 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
3540-01-013-0534INTERCHANGEABLE
NAILING MACHINE,AUTOMATIC
3455-01-047-0197INTERCHANGEABLE
FILE,ROTARY

Frequently Asked Questions

What is NSN 4310-00-132-3022?

NSN 4310-00-132-3022 is a Ring,piston, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-132-3022?

NSN 4310-00-132-3022 has 3 cross-referenced part numbers: CS4320-042 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), SN-1 (Circor Naval Solutions Llc Dba Warren Pumps), CS-4320-0423 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 4310-00-132-3022?

There are 2 known substitutes for 4310-00-132-3022: 3540-01-013-0534, 3455-01-047-0197. Verify interchangeability with system specifications before substitution.

What are the specifications of CS-4320-0423?

Key specifications for CS-4320-0423: Joint Style: VERTICAL JOINT; Standard Bore Diameter: 1.375 INCHES IN; FSC Application Data: STEAM PISTON,DIRECT ACTING PUMP; Bore Diameter Oversize: 0.010 INCHES IN. 9 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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