PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Z55Deflector,dirt and Liquid

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-038-0641 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-038-0641 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-038-0641. Primary manufacturer part number: Z55.
Features
  • Deflector,dirt and Liquid — FSC 4320
  • FSC Application Data: CENTRIFUGAL PUMP
  • Material Thickness: 0.344 INCHES NOMINAL IN
  • Mounting Hole Quantity: 1
  • Step Length: 0.375 INCHES NOMINAL IN
  • Inside Diameter: 1.063 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
  • Step Diameter: 1.750 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.312-18 UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Copper Alloy 903 construction
General Description

The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-00-038-0641, 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. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-038-0641
Primary Part NumberZ55
Item NameDeflector,dirt and Liquid
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
FSC Application DataCENTRIFUGAL PUMP
Material Thickness0.344 INCHES NOMINAL IN
Mounting Hole Quantity1
Step Length0.375 INCHES NOMINAL IN
Inside Diameter1.063 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
Step Diameter1.750 INCHES NOMINAL IN
Thread Size and Series/type Designator0.312-18 UNIFIED NATIONAL COARSE (UNC)
MaterialCOPPER ALLOY 903
Outside Diameter2.250 INCHES NOMINAL IN
Material Document and ClassificationMIL-M-16576-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
Style DesignatorROUND, STEPPED
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-258-2124151 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3110-00-518-55441108KR INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5895-01-352-7207Z55 INTERCHANGEABLE
Recorder,signal Data
Instruments Service & Equipment, Inc.
5940-01-416-0172Z55 INTERCHANGEABLE
Terminal,lug
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
Z55 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
3135334 Naval Ship Systems Command (USA)
R-209 Circor Naval Solutions Llc Dba Warren Pumps (USA)
3135334 Naval Sea Systems Command (USA)
Related Parts
5940-00-258-2124INTERCHANGEABLE
TERMINAL,LUG
151
3110-00-518-5544INTERCHANGEABLE
BEARING,BALL,ANNULAR
1108KR
5895-01-352-7207INTERCHANGEABLE
RECORDER,SIGNAL DATA
Z55
5940-01-416-0172INTERCHANGEABLE
TERMINAL,LUG
Z55

Frequently Asked Questions

What is NSN 4320-00-038-0641?

NSN 4320-00-038-0641 is a Deflector,dirt and Liquid, 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 4320-00-038-0641?

NSN 4320-00-038-0641 has 4 cross-referenced part numbers: Z55 (Circor Naval Solutions Llc Dba Warren Pumps), 3135334 (Naval Ship Systems Command), R-209 (Circor Naval Solutions Llc Dba Warren Pumps), 3135334 (Naval Sea Systems Command).

What NSN replaces 4320-00-038-0641?

There are 4 known substitutes for 4320-00-038-0641: 5940-00-258-2124, 3110-00-518-5544, 5895-01-352-7207 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Z55?

Key specifications for Z55: Special Features: MTG HOLE LOCATED ON STEP AT 90.0 DEG TO BORE; FSC Application Data: CENTRIFUGAL PUMP; Material Thickness: 0.344 INCHES NOMINAL IN; Mounting Hole Quantity: 1. 13 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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