PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A535Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-987-7188 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-987-7188 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-987-7188. Primary manufacturer part number: A535.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 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 Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-987-7188, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-987-7188
Primary Part NumberA535
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3040-00-179-6671A5-35 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
3120-00-273-5893292101 INTERCHANGEABLE
Bearing,sleeve
Itw Food Equipment Group Llc Dba Hobart Service
5325-00-285-20141201-535-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
2520-00-696-4782A535 INTERCHANGEABLE
Band Assy,brake
Eaton Corp Transmission Div
5130-01-105-3953A53-5 INTERCHANGEABLE
Anvil,fastener Installation Tool
Hi-Shear Corporation
6635-01-337-8105A535S-RM INTERCHANGEABLE
Transducer,supersonic Test
Panametrics Llc
Cross-Reference Index
Part NumberManufacturer
NC16660PC38 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A535 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3040-00-179-6671INTERCHANGEABLE
SHAFT,STRAIGHT
A5-35
3120-00-273-5893INTERCHANGEABLE
BEARING,SLEEVE
292101
5325-00-285-2014INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-535-Z3C
2520-00-696-4782INTERCHANGEABLE
BAND ASSY,BRAKE
A535
5130-01-105-3953INTERCHANGEABLE
ANVIL,FASTENER INSTALLATION TOOL
A53-5
6635-01-337-8105INTERCHANGEABLE
TRANSDUCER,SUPERSONIC TEST
A535S-RM

Frequently Asked Questions

What is NSN 4320-00-987-7188?

NSN 4320-00-987-7188 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 4320-00-987-7188?

NSN 4320-00-987-7188 has 2 cross-referenced part numbers: NC16660PC38 (Circor Naval Solutions Llc Dba Warren Pumps), A535 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-987-7188?

There are 6 known substitutes for 4320-00-987-7188: 3040-00-179-6671, 3120-00-273-5893, 5325-00-285-2014 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A535?

Key specifications for A535: End Item Identification: CENTRIFUGAL PUMP. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com