PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A689Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-003-7700 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-003-7700 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-003-7700. Primary manufacturer part number: A689.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: STEEL CORROSION RESISTING
  • Overall Diameter: 11.125 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • 5 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 Steel Corrosion Resisting construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-003-7700, 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 5 commercial cross-references from 2 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
NSN4320-01-003-7700
Primary Part NumberA689
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Overall Diameter11.125 INCHES NOMINAL IN
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-220-2577A689 INTERCHANGEABLE
Bearing,sleeve
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
5330-00-641-0843689 INTERCHANGEABLE
Gasket
Purolator Facet Inc. Div Parker Aerospace Filtration Division Dba Purolator Facet, in
5360-00-992-4665A689 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
5935-01-137-1321702003-453 INTERCHANGEABLE
Jack,telephone
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
A689 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
998D1868 Circor Naval Solutions Llc Dba Warren Pumps (USA)
999D0448DPC82 Circor Naval Solutions Llc Dba Warren Pumps (USA)
999D0448 Circor Naval Solutions Llc Dba Warren Pumps (USA)
55-22351-14SS Euramco Safety Inc (USA)
Related Parts
3120-00-220-2577INTERCHANGEABLE
BEARING,SLEEVE
A689
5330-00-641-0843INTERCHANGEABLE
GASKET
689
5360-00-992-4665INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A689
5935-01-137-1321INTERCHANGEABLE
JACK,TELEPHONE
702003-453

Frequently Asked Questions

What is NSN 4320-01-003-7700?

NSN 4320-01-003-7700 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 4320-01-003-7700?

NSN 4320-01-003-7700 has 5 cross-referenced part numbers: A689 (Circor Naval Solutions Llc Dba Warren Pumps), 998D1868 (Circor Naval Solutions Llc Dba Warren Pumps), 999D0448DPC82 (Circor Naval Solutions Llc Dba Warren Pumps), 999D0448 (Circor Naval Solutions Llc Dba Warren Pumps), 55-22351-14SS (Euramco Safety Inc).

What NSN replaces 4320-01-003-7700?

There are 4 known substitutes for 4320-01-003-7700: 3120-00-220-2577, 5330-00-641-0843, 5360-00-992-4665 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A689?

Key specifications for A689: Material: STEEL CORROSION RESISTING; Overall Diameter: 11.125 INCHES NOMINAL IN; End Item Identification: WARREN PUMPS INC TYPE 6DBH-11 PUMP; Rotation Direction for Which Designed: COUNTERCLOCKWISE. 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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