PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A740Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-208-2187 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-208-2187 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-208-2187. Primary manufacturer part number: A740.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: NICKEL ALLOY
  • Overall Diameter: 1.500 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: CLOCKWISE
  • 4 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-208-2187, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-208-2187
Primary Part NumberA740
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialNICKEL ALLOY
Overall Diameter1.500 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-550-4769A740 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
2530-00-769-6379503284 INTERCHANGEABLE
Housing Asy
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
4320-01-208-2067C265 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-208-2186A739 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5120-01-534-7061A-740 INTERCHANGEABLE
Wrench,box and Open End,combinat
Gage Bilt, Inc.
Cross-Reference Index
Part NumberManufacturer
PL999F0563 PIECE 12 Circor Naval Solutions Llc Dba Warren Pumps (USA)
657C0846 Circor Naval Solutions Llc Dba Warren Pumps (USA)
PL999F0563 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A740 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5325-00-550-4769INTERCHANGEABLE
EYELET,METALLIC
A740
2530-00-769-6379INTERCHANGEABLE
HOUSING ASY
503284
4320-01-208-2067INTERCHANGEABLE
RING,WEARING
C265
4320-01-208-2186INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A739
5120-01-534-7061INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
A-740

Frequently Asked Questions

What is NSN 4320-01-208-2187?

NSN 4320-01-208-2187 is a Impeller,pump,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 4320-01-208-2187?

NSN 4320-01-208-2187 has 4 cross-referenced part numbers: PL999F0563 PIECE 12 (Circor Naval Solutions Llc Dba Warren Pumps), 657C0846 (Circor Naval Solutions Llc Dba Warren Pumps), PL999F0563 (Circor Naval Solutions Llc Dba Warren Pumps), A740 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-208-2187?

There are 5 known substitutes for 4320-01-208-2187: 5325-00-550-4769, 2530-00-769-6379, 4320-01-208-2067 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A740?

Key specifications for A740: End Item Identification: WARREN PUMP,MODEL 1 1/2-2CVD6; Material: NICKEL ALLOY; Overall Diameter: 1.500 INCHES NOMINAL IN; Rotation Direction for Which Designed: CLOCKWISE. 4 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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