PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SA20Rod,piston

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4437 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-4437 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4437. Primary manufacturer part number: SA20.
Features
  • Rod,piston — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Rod,piston, cataloged under National Stock Number 4320-00-218-4437, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRod,piston
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)
Technical Specifications
ParameterValue
NSN4320-00-218-4437
Primary Part NumberSA20
Item NameRod,piston
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-00-079-0677SA20 INTERCHANGEABLE
Microcircuit,linear
General Dynamics Mission Systems, Inc.
5920-00-296-0470 INTERCHANGEABLE
Adapter,fuse
5962-00-472-9514 INTERCHANGEABLE
Microcircuit,linear
3120-00-587-478113212E4089-2 INTERCHANGEABLE
Bearing,plain,self-Aligning
Mcgill Manufacturing Co, Inc
9520-01-365-8705SA20 INTERCHANGEABLE
Angle,structural
Optima Stantron Corp
1680-01-538-842360S2320-01 INTERCHANGEABLE
Bracket,armor Pane,
Point Blank Enterprises, Inc. Dba the Protective Group Div the Protective Group, a Point Blank Company
5340-01-733-5260SA20 INTERCHANGEABLE
Connecting Link,rigid
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
SA20 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5962-00-079-0677INTERCHANGEABLE
MICROCIRCUIT,LINEAR
SA20
5920-00-296-0470INTERCHANGEABLE
ADAPTER,FUSE
5962-00-472-9514INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3120-00-587-4781INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
13212E4089-2
9520-01-365-8705INTERCHANGEABLE
ANGLE,STRUCTURAL
SA20
1680-01-538-8423INTERCHANGEABLE
BRACKET,ARMOR PANE,
60S2320-01
5340-01-733-5260INTERCHANGEABLE
CONNECTING LINK,RIGID
SA20

Frequently Asked Questions

What is NSN 4320-00-218-4437?

NSN 4320-00-218-4437 is a Rod,piston, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-218-4437?

NSN 4320-00-218-4437 has 1 cross-referenced part number: SA20 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4437?

There are 7 known substitutes for 4320-00-218-4437: 5962-00-079-0677, 5920-00-296-0470, 5962-00-472-9514 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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