PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R144Pump Subassembly,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-227-7334 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-227-7334 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-227-7334. Primary manufacturer part number: R144.
Features
  • Pump Subassembly,centrifugal — FSC 4320
  • Major Components: IMPELLER 2; WEARING RING 2; THRUST BEARING 2; SHAFT 1
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Subassembly,centrifugal, cataloged under National Stock Number 4320-01-227-7334, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4320-01-227-7334
Primary Part NumberR144
Item NamePump Subassembly,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Major ComponentsIMPELLER 2; WEARING RING 2; THRUST BEARING 2; SHAFT 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1005-00-344-60817311949 INTERCHANGEABLE
Trigger
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5330-00-420-196314662APC15 INTERCHANGEABLE
Packing,preformed
Propulsion Systems, Inc.
5120-01-434-9997 INTERCHANGEABLE
Screwdriver,flat Tip
5365-01-682-7400R-1-4-4 INTERCHANGEABLE
Bushing Blank
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
R144 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R144R Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
1005-00-344-6081INTERCHANGEABLE
TRIGGER
7311949
5330-00-420-1963INTERCHANGEABLE
PACKING,PREFORMED
14662APC15
5120-01-434-9997INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5365-01-682-7400INTERCHANGEABLE
BUSHING BLANK
R-1-4-4

Frequently Asked Questions

What is NSN 4320-01-227-7334?

NSN 4320-01-227-7334 is a Pump Subassembly,centrifugal, 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 4320-01-227-7334?

NSN 4320-01-227-7334 has 2 cross-referenced part numbers: R144 (Circor Naval Solutions Llc Dba Warren Pumps), R144R (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-227-7334?

There are 4 known substitutes for 4320-01-227-7334: 1005-00-344-6081, 5330-00-420-1963, 5120-01-434-9997 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R144?

Key specifications for R144: Special Features: 17 COMPONENTS OVERALL; Major Components: IMPELLER 2; WEARING RING 2; THRUST BEARING 2; SHAFT 1. 2 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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